CAMPBELL, Bruce M. S.; M. Overton. A New Perspective on Medieval and Early Modern Agriculture: Six Centuries of Norfolk Farming, c.1250-c.1850. Past and Present. 1993, roč. 141, s. 38–105. Dostupné online. doi:10.1093/past/141.1.38. (anglicky)
ALLABY, Robin G.; FULLER, Dorian Q.; BROWN, Terence A. The genetic expectations of a protracted model for the origins of domesticated crops. Proceedings of the National Academy of Sciences. 2008, roč. 105, čís. 37, s. 13982–13986. Dostupné online. doi:10.1073/pnas.0803780105. PMID18768818. Bibcode2008PNAS..10513982A. (anglicky)
MOLINA, J.; SIKORA, M.; GARUD, N.; FLOWERS, J. M. Molecular evidence for a single evolutionary origin of domesticated rice. Proceedings of the National Academy of Sciences. 2011, roč. 108, čís. 20, s. 8351. doi:10.1073/pnas.1104686108. PMID21536870. Bibcode2011PNAS..108.8351M. (anglicky)
1073%2Fpnas.1303367110
doi.org10.1073%2Fpnas.1303367110
MCTAVISH, E.J.; DECKER, J.E.; SCHNABEL, R.D. New World cattle show ancestry from multiple independent domestication events. Proc. Natl. Acad. Sci. U.S.A.. 2013, roč. 110, s. 1398–406. doi:10.1073/pnas.1303367110. PMID23530234. Bibcode2013PNAS..110E1398M. (anglicky)
1073%2Fpnas.1323964111
doi.org10.1073%2Fpnas.1323964111
LARSON, G.; PIPERNO, D. R.; ALLABY, R. G.; PURUGGANAN, M. D. Current perspectives and the future of domestication studies. Proceedings of the National Academy of Sciences. 2014, roč. 111, čís. 17, s. 6139. doi:10.1073/pnas.1323964111. PMID24757054. Bibcode2014PNAS..111.6139L. (anglicky)
LARSON, G.; PIPERNO, D. R.; ALLABY, R. G.; PURUGGANAN, M. D., a kol. Current perspectives and the future of domestication studies. PNAS. 2014, roč. 111, čís. 17, s. 6139–6146. doi:10.1073/pnas.1323964111. PMID24757054. Bibcode2014PNAS..111.6139L. (anglicky)
1126%2Fscience.1085255
doi.org10.1126%2Fscience.1085255
DENHAM, T. P. Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea. Science. 2003, roč. 301, čís. 5630, s. 189–193. doi:10.1126/science.1085255. PMID12817084. (anglicky)
DENHAM; ET AL. Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea. Science. 2003, roč. 301, čís. 5630, s. 189–193. doi:10.1126/science.1085255. PMID12817084. (anglicky)
DENHAM, T.P.; HABERLE, S.G.; LENTFER, C.; FULLAGAR, R. Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea. Science. 2003, roč. 301, čís. 5630, s. 189–193. doi:10.1126/science.1085255. PMID12817084. (anglicky)
Origins of food crops connect countries worldwide. Proc. R. Soc. B. 2016, roč. 283, čís. 1832, s. 20160792. Dostupné online. doi:10.1098/rspb.2016.0792. (anglicky)
archive.org
ENSMINGER, M.E.; PARKER, R.O. Sheep and Goat Science. [s.l.]: Interstate Printers and Publishers, 1986. (Fifth). Dostupné online. ISBN0-8134-2464-X.
Smith, A. F. The Tomato in America: Early History, Culture, and Cookery. [s.l.]: University of South Carolina Press, 1994. Dostupné online. ISBN1-57003-000-6. S. 13.
TANNAHILL, Reay. The fine art of food. [s.l.]: Folio Society, 1968. Dostupné online.
Kees, Herman. Ancient Egypt: A Cultural Topography. [s.l.]: University of Chicago Press, 1961. Dostupné online.
HEISER JR, Carl B. On possible sources of the tobacco of prehistoric Eastern North America. Current Anthropology. 1992, roč. 33, s. 54–56. Dostupné online. doi:10.1086/204032. (anglicky)
Before the Wilderness: Environmental Management by Native Californians. [s.l.]: Ballena Press, 1993. Dostupné online. ISBN0879191260.
ANDERSON, M. Kat. Tending the Wild: Native American Knowledge And the Management of California's Natural Resources. [s.l.]: University of California Press, 2006. Dostupné online. ISBN0520248511.
CAMPBELL, Bruce M. S.; M. Overton. A New Perspective on Medieval and Early Modern Agriculture: Six Centuries of Norfolk Farming, c.1250-c.1850. Past and Present. 1993, roč. 141, s. 38–105. Dostupné online. doi:10.1093/past/141.1.38. (anglicky)
John Langdon. The Oxford Dictionary of the Middle Ages. [s.l.]: Oxford University Press, 2010. Dostupné online. ISBN978-0-19-866262-4. S. 20–23.
SNELL, K.D.M. Annals of the Labouring Poor, Social Change and Agrarian England 1660–1900. [s.l.]: Cambridge University Press, 1985. Dostupné online. ISBN0-521-24548-6. Chapter 4
Payne, F. G. The British Plough: Some Stages in its Development [online]. British Agricultural History Society [cit. 2017-04-05]. Dostupné online. (anglicky)
books.google.com
GAMMAGE, Bill. The Biggest Estate on Earth: How Aborigines made Australia. [s.l.]: Allen & Unwin, říjen 2011. Dostupné online. ISBN9781742377483.
MCCONNELL, Douglas JOhn. The Forest Farms of Kandy: And Other Gardens of Complete Design. [s.l.]: [s.n.], 2003. Dostupné online. ISBN978-0-7546-0958-2. S. 1.
NELSON, Sarah M. Ancestors for the Pigs. Pigs in prehistory. [s.l.]: University of Pennsylvania Museum of Archaeology and Anthropology, 1998. Dostupné online.
YADAV, Shyam S.; MCNEIL, David L.; STEVENSON, Philip C. Lentil: An Ancient Crop for Modern Times. [s.l.]: Springer Science & Business Media, 2007. Dostupné online. ISBN9781402063138. S. 4.
BARKER, Graeme. The Agricultural Revolution in Prehistory: Why Did Foragers Become Farmers?. [s.l.]: Oxford University Press, 2009. Dostupné online. ISBN978-0-19-955995-4. S. 159–161.
ANDERSON, David; GOUDIE, Andrew; PARKER, Adrian. Global Environments Through the Quaternary: Exploring Environmental Change. [s.l.]: Oxford University Press, 2013. Dostupné online. ISBN978-0-19-969726-7. S. 283.
Glick, Thomas F. Medieval Science, Technology And Medicine: An Encyclopedia. [s.l.]: Psychology Press, 2005. Dostupné online. ISBN0415969301. S. 270.
BROUDY, Eric. The Book of Looms: A History of the Handloom from Ancient Times to the Present. [s.l.]: UPNE, 1979. Dostupné online. ISBN978-0-87451-649-4. S. 81.
RISCHKOWSKY, Barbara; PILLING, Dafydd. The State of the World's Animal Genetic Resources for Food and Agriculture. [s.l.]: Food & Agriculture Organization, 2007. Dostupné online. ISBN978-92-5-105762-9. S. 10.
WHITE, Lynn Townsend. Medieval Religion and Technology: Collected Essays. [s.l.]: University of California Press, 1978. Dostupné online. ISBN978-0-520-03566-9. S. 143.
Mordechai E. Kislev, Anat Hartmann, and Ofer Bar-Yosef, "Early Domesticated Fig in the Jordan Valley," in Science Magazine (June 2, 2006). Vol. 312, No. 5778, pp. 1372-1374.doi:10.1126/science.1125910
Origins of food crops connect countries worldwide. Proc. R. Soc. B. 2016, roč. 283, čís. 1832, s. 20160792. Dostupné online. doi:10.1098/rspb.2016.0792. (anglicky)
gilderlehrman.org
Crosby, Alfred. The Columbian Exchange [online]. The Gilder Lehrman Institute of American History [cit. 2013-05-11]. Dostupné online. (anglicky)
harvard.edu
adsabs.harvard.edu
ALLABY, Robin G.; FULLER, Dorian Q.; BROWN, Terence A. The genetic expectations of a protracted model for the origins of domesticated crops. Proceedings of the National Academy of Sciences. 2008, roč. 105, čís. 37, s. 13982–13986. Dostupné online. doi:10.1073/pnas.0803780105. PMID18768818. Bibcode2008PNAS..10513982A. (anglicky)
LARSON, G.; PIPERNO, D. R.; ALLABY, R. G.; PURUGGANAN, M. D. Current perspectives and the future of domestication studies. Proceedings of the National Academy of Sciences. 2014, roč. 111, čís. 17, s. 6139. doi:10.1073/pnas.1323964111. PMID24757054. Bibcode2014PNAS..111.6139L. (anglicky)
MCTAVISH, E.J.; DECKER, J.E.; SCHNABEL, R.D. New World cattle show ancestry from multiple independent domestication events. Proc. Natl. Acad. Sci. U.S.A.. 2013, roč. 110, s. 1398–406. doi:10.1073/pnas.1303367110. PMID23530234. Bibcode2013PNAS..110E1398M. (anglicky)
LARSON, G.; PIPERNO, D. R.; ALLABY, R. G.; PURUGGANAN, M. D., a kol. Current perspectives and the future of domestication studies. PNAS. 2014, roč. 111, čís. 17, s. 6139–6146. doi:10.1073/pnas.1323964111. PMID24757054. Bibcode2014PNAS..111.6139L. (anglicky)
ROFFET-SALQUE, Mélanie; REGERT, Martine; EVERSHED, Richard P.; OUTRAM, Alan K. Widespread exploitation of the honeybee by early Neolithic farmers. Nature. 2015, roč. 527, čís. 7577, s. 226–30. doi:10.1038/nature15757. PMID26560301. Bibcode2015Natur.527..226R. (anglicky)
MOLINA, J.; SIKORA, M.; GARUD, N.; FLOWERS, J. M. Molecular evidence for a single evolutionary origin of domesticated rice. Proceedings of the National Academy of Sciences. 2011, roč. 108, čís. 20, s. 8351. doi:10.1073/pnas.1104686108. PMID21536870. Bibcode2011PNAS..108.8351M. (anglicky)
HUANG, Xuehui; KURATA, Nori; WEI, Xinghua; WANG, Zi-Xuan. A map of rice genome variation reveals the origin of cultivated rice. Nature. 2012, roč. 490, čís. 7421, s. 497–501. doi:10.1038/nature11532. PMID23034647. Bibcode2012Natur.490..497H. (anglicky)
Chapman, Jeff. The Impact of the Potato. History Magazine. Čís. 2. Dostupné online. (anglicky)
isaaa.org
Advances in Maize Streak Virus Disease Research in Eastern and Southern Africa [online]. International Service for the Acquisition of Agri-Biotech Applications, 2000 [cit. 2013-04-16]. Dostupné online. (anglicky)
JAMES, Clive. Global Review of the Field Testing and Commercialization of Transgenic Plants: 1986 to 1995 [online]. The International Service for the Acquisition of Agri-biotech Applications, 1996 [cit. 2010-07-17]. Dostupné online. (anglicky)
jstor.org
FOX, H. S. A. The Alleged Transformation from Two-Field to Three-Field Systems in Medieval England. The Economic History Review. November 1986, roč. 39, čís. 4, s. 526–548. doi:10.1111/j.1468-0289.1986.tb01255.x. JSTOR2596482. (anglicky)
Jaap Harskamp, "The Low Countries and the English Agricultural Revolution." (2009): 32-41. in JSTOR
motherjones.com
Philpott, Tom. A Brief History of Our Deadly Addiction to Nitrogen Fertilizer [online]. Mother Jones, 19 April 2013 [cit. 2013-05-07]. Dostupné online. (anglicky)
nae.edu
Reid, John F. The Impact of Mechanization on Agriculture. The Bridge on Agriculture and Information Technology. 2011, roč. 41. Dostupné online. (anglicky)
nap.edu
Office of International Affairs. Lost Crops of the Incas: Little-Known Plants of the Andes with Promise for Worldwide Cultivation. [s.l.]: [s.n.], 1989. Dostupné online. ISBN030904264X. S. 92.
ALLABY, Robin G.; FULLER, Dorian Q.; BROWN, Terence A. The genetic expectations of a protracted model for the origins of domesticated crops. Proceedings of the National Academy of Sciences. 2008, roč. 105, čís. 37, s. 13982–13986. Dostupné online. doi:10.1073/pnas.0803780105. PMID18768818. Bibcode2008PNAS..10513982A. (anglicky)
LARSON, G.; PIPERNO, D. R.; ALLABY, R. G.; PURUGGANAN, M. D. Current perspectives and the future of domestication studies. Proceedings of the National Academy of Sciences. 2014, roč. 111, čís. 17, s. 6139. doi:10.1073/pnas.1323964111. PMID24757054. Bibcode2014PNAS..111.6139L. (anglicky)
MCTAVISH, E.J.; DECKER, J.E.; SCHNABEL, R.D. New World cattle show ancestry from multiple independent domestication events. Proc. Natl. Acad. Sci. U.S.A.. 2013, roč. 110, s. 1398–406. doi:10.1073/pnas.1303367110. PMID23530234. Bibcode2013PNAS..110E1398M. (anglicky)
LARSON, G.; PIPERNO, D. R.; ALLABY, R. G.; PURUGGANAN, M. D., a kol. Current perspectives and the future of domestication studies. PNAS. 2014, roč. 111, čís. 17, s. 6139–6146. doi:10.1073/pnas.1323964111. PMID24757054. Bibcode2014PNAS..111.6139L. (anglicky)
DENHAM, T. P. Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea. Science. 2003, roč. 301, čís. 5630, s. 189–193. doi:10.1126/science.1085255. PMID12817084. (anglicky)
DENHAM; ET AL. Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea. Science. 2003, roč. 301, čís. 5630, s. 189–193. doi:10.1126/science.1085255. PMID12817084. (anglicky)
DENHAM, T.P.; HABERLE, S.G.; LENTFER, C.; FULLAGAR, R. Origins of Agriculture at Kuk Swamp in the Highlands of New Guinea. Science. 2003, roč. 301, čís. 5630, s. 189–193. doi:10.1126/science.1085255. PMID12817084. (anglicky)
ROFFET-SALQUE, Mélanie; REGERT, Martine; EVERSHED, Richard P.; OUTRAM, Alan K. Widespread exploitation of the honeybee by early Neolithic farmers. Nature. 2015, roč. 527, čís. 7577, s. 226–30. doi:10.1038/nature15757. PMID26560301. Bibcode2015Natur.527..226R. (anglicky)
MOLINA, J.; SIKORA, M.; GARUD, N.; FLOWERS, J. M. Molecular evidence for a single evolutionary origin of domesticated rice. Proceedings of the National Academy of Sciences. 2011, roč. 108, čís. 20, s. 8351. doi:10.1073/pnas.1104686108. PMID21536870. Bibcode2011PNAS..108.8351M. (anglicky)
HUANG, Xuehui; KURATA, Nori; WEI, Xinghua; WANG, Zi-Xuan. A map of rice genome variation reveals the origin of cultivated rice. Nature. 2012, roč. 490, čís. 7421, s. 497–501. doi:10.1038/nature11532. PMID23034647. Bibcode2012Natur.490..497H. (anglicky)
Climate [online]. National Climate Data Center [cit. 2013-12-01]. Dostupné online. (anglicky)
nytimes.com
BARRIONUEVO, Alexei; Bradsher, Keith. Sometimes a Bumper Crop Is Too Much of a Good Thing. The New York Times. 8 December 2005. Dostupné online. (anglicky)
org10.1007%2FBF02361797
doi.org10.1007%2FBF02361797
CONTRERAS, Andrés; CIAMPI, Luigi; PADULOSI, Stefano; SPOONER, David M. Potato germplasm collecting expedition to the Guaitecas and Chonos Archipelagos, Chile, 1990. Potato Research. 1993, s. 309–316. Dostupné v archivu pořízeném dne 2020-08-01. doi:10.1007/BF02361797.Je zde použita šablona {{Cite journal}} označená jako k „pouze dočasnému použití“.
org10.1016%2FS0167-1987%2801%2900184-2
doi.org10.1016%2FS0167-1987%2801%2900184-2
LAL, R. Thematic evolution of ISTRO: transition in scientific issues and research focus from 1955 to 2000. Soil and Tillage Research. 2001, roč. 61, čís. 1–2, s. 3–12 [3]. doi:10.1016/S0167-1987(01)00184-2. (anglicky)
org10.1017%2Fs0022050700079602
doi.org10.1017%2Fs0022050700079602
WATSON, Andrew M. The Arab Agricultural Revolution and Its Diffusion, 700-1100. The Journal of Economic History. 1974, roč. 34, čís. 1, s. 8–35. doi:10.1017/s0022050700079602. (anglicky)
HUANG, Xuehui; KURATA, Nori; WEI, Xinghua; WANG, Zi-Xuan. A map of rice genome variation reveals the origin of cultivated rice. Nature. 2012, roč. 490, čís. 7421, s. 497–501. doi:10.1038/nature11532. PMID23034647. Bibcode2012Natur.490..497H. (anglicky)
org10.1038%2Fnature15757
doi.org10.1038%2Fnature15757
ROFFET-SALQUE, Mélanie; REGERT, Martine; EVERSHED, Richard P.; OUTRAM, Alan K. Widespread exploitation of the honeybee by early Neolithic farmers. Nature. 2015, roč. 527, čís. 7577, s. 226–30. doi:10.1038/nature15757. PMID26560301. Bibcode2015Natur.527..226R. (anglicky)
org10.1086%2F204032
doi.org10.1086%2F204032
HEISER JR, Carl B. On possible sources of the tobacco of prehistoric Eastern North America. Current Anthropology. 1992, roč. 33, s. 54–56. Dostupné online. doi:10.1086/204032. (anglicky)
org10.1179%2F033443513x13753505864089
doi.org10.1179%2F033443513x13753505864089
SAPIR-HEN, Lidar; BEN-YOSEF, Josef. The Introduction of Domestic Camels to the Southern Levant: Evidence from the Aravah Valley. Tel Aviv. 2013, roč. 40, s. 277–285. Dostupné online [cit. 16 February 2014]. doi:10.1179/033443513x13753505864089. (anglicky)
org10.2136%2Fsh2012-53-6-lf
doi.org10.2136%2Fsh2012-53-6-lf
Morgan, John. Invisible Artifacts: Uncovering Secrets of Ancient Maya Agriculture with Modern Soil Science. Soil Horizons. 6 November 2013, roč. 53, čís. 6, s. 3. Dostupné v archivu pořízeném dne 21 March 2015. doi:10.2136/sh2012-53-6-lf. (anglicky)Archivováno 21. 3. 2015 na Wayback Machine.
org10.4067%2FS0718-22442013000100002
doi.org10.4067%2FS0718-22442013000100002
TORREJÓN, Fernando; BIZAMA, Fernando; ARANEDA, Alberto; AGUAYO, Mauricio; BERTRAND, Sébastien; URRUTIA, Roberto. Descifrando la historia ambiental de los archipiélagos de Aysén, Chile: El influjo colonial y la explotación económica-mercantil republicana (siglos XVI-XIX). Magallania. 2013, s. 29–52. doi:10.4067/S0718-22442013000100002. (Spanish)Je zde použita šablona {{Cite journal}} označená jako k „pouze dočasnému použití“.
orgprints.org
PAULL, John. Attending the First Organic Agriculture Course: Rudolf Steiner's Agriculture Course at Koberwitz, 1924. European Journal of Social Sciences. 2011, roč. 21, čís. 1, s. 64–70. Dostupné online [PDF]. (anglicky)
Paull, John. Lord Northbourne, the man who invented organic farming, a biography. Journal of Organic Systems. 2014, roč. 9, čís. 1, s. 31–53. Dostupné online. (anglicky)
oxforddnb.com
THIRSK, Joan. 'Blith, Walter (bap. 1605, d. 1654)' [online]. Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, Jan 2008 [cit. 2011-09-02]. Dostupné online. (anglicky)
phys.org
The oldest farming village in the Mediterranean islands is discovered in Cyprus [online]. 15 May 2012 [cit. 2017-04-12]. Dostupné online. (anglicky)
ALLABY, Robin G.; FULLER, Dorian Q.; BROWN, Terence A. The genetic expectations of a protracted model for the origins of domesticated crops. Proceedings of the National Academy of Sciences. 2008, roč. 105, čís. 37, s. 13982–13986. Dostupné online. doi:10.1073/pnas.0803780105. PMID18768818. Bibcode2008PNAS..10513982A. (anglicky)
Ten worst famines of the 20th century. Sydney Morning Herald. 15 August 2011. Dostupné online. (anglicky)
tau.ac.il
archaeology.tau.ac.il
SAPIR-HEN, Lidar; BEN-YOSEF, Josef. The Introduction of Domestic Camels to the Southern Levant: Evidence from the Aravah Valley. Tel Aviv. 2013, roč. 40, s. 277–285. Dostupné online [cit. 16 February 2014]. doi:10.1179/033443513x13753505864089. (anglicky)
tb01255.x
doi.org10.1111%2Fj.1468-0289.1986.tb01255.x
FOX, H. S. A. The Alleged Transformation from Two-Field to Three-Field Systems in Medieval England. The Economic History Review. November 1986, roč. 39, čís. 4, s. 526–548. doi:10.1111/j.1468-0289.1986.tb01255.x. JSTOR2596482. (anglicky)
Ceide Fields - UNESCO World Heritage Centre [online]. Whc.unesco.org [cit. 2011-07-16]. Dostupné online. (anglicky)
unl.edu
digitalcommons.unl.edu
LANDON, Amanda J. The "How" of the Three Sisters: The Origins of Agriculture in Mesoamerica and the Human Niche. Nebraska Anthropologist. University of Nebraska-Lincoln, 2008, s. 110–124. Dostupné online. (anglicky)
usda.gov
ars.usda.gov
SUSZKIW, Jan. Tifton, Georgia: A Peanut Pest Showdown [online]. November 1999 [cit. 2008-11-23]. Dostupné online. (anglicky)
HIRST, K. Kris. Plant Domestication - Table of Dates and Places [online]. About.com [cit. 2016-06-15]. Dostupné v archivu pořízeném dne 2017-02-27. (anglicky)
Lesson 1: Narrative [online]. Dartmouth College [cit. 2017-04-12]. Dostupné v archivu pořízeném dne 8 January 2012. (anglicky)
Southern Europe, 8000–2000 B.C. Timeline of Art History [online]. The Metropolitan Museum of Art [cit. 2011-07-16]. Dostupné v archivu pořízeném dne 26 January 2007. (anglicky)
NELSON, S. C.; PLOETZ, R. C.; KEPLER, A. K. Species Profiles for Pacific Island Agroforestry. Hōlualoa, Hawai'i: Permanent Agriculture Resources, 2006. Dostupné v archivu pořízeném dne 2014-02-28. Kapitola Musa species (bananas and plantains).
Ceide Fields Visitor Centre, Ballycastle, County Mayo, West of Ireland [online]. Museumsofmayo.com [cit. 2011-07-16]. Dostupné v archivu pořízeném dne 2011-07-22. (anglicky)
VERGARA, Daniela. Cannabis: Marijuana, hemp and its cultural history [online]. Cannabis Genomics, 2 December 2014 [cit. 2016-06-20]. Dostupné v archivu pořízeném dne 9 April 2016. (anglicky)
Morgan, John. Invisible Artifacts: Uncovering Secrets of Ancient Maya Agriculture with Modern Soil Science. Soil Horizons. 6 November 2013, roč. 53, čís. 6, s. 3. Dostupné v archivu pořízeném dne 21 March 2015. doi:10.2136/sh2012-53-6-lf. (anglicky)Archivováno 21. 3. 2015 na Wayback Machine.
CONTRERAS, Andrés; CIAMPI, Luigi; PADULOSI, Stefano; SPOONER, David M. Potato germplasm collecting expedition to the Guaitecas and Chonos Archipelagos, Chile, 1990. Potato Research. 1993, s. 309–316. Dostupné v archivu pořízeném dne 2020-08-01. doi:10.1007/BF02361797.Je zde použita šablona {{Cite journal}} označená jako k „pouze dočasnému použití“.
Pecans at Texas A&M University [online]. Pecankernel.tamu.edu, 2006-08-18 [cit. 2010-06-03]. Dostupné v archivu pořízeném dne 2010-05-25. (anglicky)
WILSON, Gilbert, 1917. Agriculture of the Hidatsa Indians: An Indian Interpretation. [s.l.]: Dodo Press. Dostupné v archivu pořízeném dne 2016-03-14. ISBN978-1409942337. S. 25 and passim.
STROMBERG, Joseph. Classical gas. Smithsonian. February 2013, roč. 43, čís. 10, s. 18. Dostupné v archivu pořízeném dne 2013-10-15. (anglicky)Archivováno 15. 10. 2013 na Wayback Machine.
Jourdan, Pablo. Medieval Horticulture/Agriculture [online]. Ohio State University [cit. 2013-04-24]. Dostupné v archivu pořízeném dne 14 April 2013. (anglicky)
ANDERSEN, Thomas Barnebeck; JENSEN, Peter Sandholt; SKOVSGAARD, Christian Volmar. The Heavy Plough and the Agricultural Revolution in Medieval Europe [online]. European Historical Economics Society, December 2014 [cit. 2017-12-29]. Dostupné v archivu pořízeném dne 2016-08-18. (anglicky)
Wagner, Holly. Super-Sized Cassava Plants May Help Fight Hunger In Africa [online]. The Ohio State University [cit. 2013-05-11]. Dostupné v archivu pořízeném dne 2013-12-08. (anglicky)
The Coprolite Industry [online]. Cambridgeshire History [cit. 2017-04-05]. Dostupné v archivu pořízeném dne 2016-04-04. (anglicky)
A Historical Perspective [online]. International Fertilizer Industry Association [cit. 2013-05-07]. Dostupné v archivu pořízeném dne 9 March 2012. (anglicky)
Title 05 – Agriculture and rural development [online]. [cit. 2016-06-16]. Dostupné v archivu pořízeném dne 4 December 2013. (anglicky)
Towards Sustainable Production and Use of Resources: Assessing Biofuels [online]. United Nations Environment Programme, 16 October 2009 [cit. 2009-10-24]. Dostupné v archivu pořízeném dne 22 November 2009. (anglicky)