David Douglas (botanist) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "David Douglas (botanist)" in English language version.

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archive.org

Douglas, David; Royal Horticultural Society (Great Britain) (1914). Journal kept by David Douglas during his travels in North America 1823–1827, together with a particular description of thirty-three species of American oaks and eighteen species of Pinus, with appendices containing a list of the plants introduced by Douglas and an account of his death in 1834. Published under the direction of the Royal Horticultural Society. University of California Libraries. London : W. Wesley & Son. p. 296.

biographi.ca

In collaboration with M. L. Tyrwhitt-Drake (1987). "Douglas, David". In Halpenny, Francess G (ed.). Dictionary of Canadian Biography. Vol. VI (1821–1835) (online ed.). University of Toronto Press.

daviddouglassociety.org

"who was david douglas?" (PDF). DavidDouglasSociety. Archived from the original (PDF) on 8 September 2015. Retrieved 23 December 2016.

handle.net

hdl.handle.net

Walther M. Barnard (1991). "Earliest Ascents of Mauna Loa Volcano, Hawai'i". Hawaiian Journal of History. 25. Hawaiian Historical Society, Honolulu. hdl:10524/599.
Jean Greenwell (1988). "Kaluakauka Revisited: the Death of David Douglas in Hawaii". Hawaiian Journal of History. 22. Hawaiian Historical Society, Honolulu: 147–169. hdl:10524/246.

imdb.com

"The Grass Man in Death Valley Days". Internet Movie Data Base. 13 November 1962. Retrieved 17 July 2019.

ipni.org

International Plant Names Index. Douglas.

nationalmap.gov

edits.nationalmap.gov

U.S. Geological Survey Geographic Names Information System: Kaluakauka

scotsman.com

"Walk of the week: Valleyfield Wood, Fife". www.scotsman.com.

web.archive.org

"who was david douglas?" (PDF). DavidDouglasSociety. Archived from the original (PDF) on 8 September 2015. Retrieved 23 December 2016.

worldcat.org

Nisbet 2009, pp. 4–6. Nisbet, Jack (2009). The Collector : David Douglas and the Natural History of the Northwest. Seattle, WA; New York, NY: Sasquatch Books Distributed by PGW/Perseus. ISBN 9781570617256. OCLC 680284425.
Nisbet 2009, p. 7. Nisbet, Jack (2009). The Collector : David Douglas and the Natural History of the Northwest. Seattle, WA; New York, NY: Sasquatch Books Distributed by PGW/Perseus. ISBN 9781570617256. OCLC 680284425.
Nisbet 2009, pp. 294–5. Nisbet, Jack (2009). The Collector : David Douglas and the Natural History of the Northwest. Seattle, WA; New York, NY: Sasquatch Books Distributed by PGW/Perseus. ISBN 9781570617256. OCLC 680284425.
Nisbet 2009, p. 252. Nisbet, Jack (2009). The Collector : David Douglas and the Natural History of the Northwest. Seattle, WA; New York, NY: Sasquatch Books Distributed by PGW/Perseus. ISBN 9781570617256. OCLC 680284425.
Nisbet 2009, pp. 105–106. Nisbet, Jack (2009). The Collector : David Douglas and the Natural History of the Northwest. Seattle, WA; New York, NY: Sasquatch Books Distributed by PGW/Perseus. ISBN 9781570617256. OCLC 680284425.