Hawkins, Ed. 2019 years. climate-lab-book.ac.uk. 2020-01-30. (原始内容存档于2020-02-02). ("The data show that the modern period is very different to what occurred in the past. The often quoted Medieval Warm Period and Little Ice Age are real phenomena, but small compared to the recent changes.")
Supplement: Lisiecki, L. E.; Raymo, M. E. Pliocene-Pleistocene stack of globally distributed benthic stable oxygen isotope records. Pangaea. 2005. doi:10.1594/PANGAEA.704257.
Webb, Robert S.; Clark, Peter U.; Keigwin, Lloyd D., Preface, Mechanisms of Global Climate Change at Millennial Time Scales 112 (Washington, D. C.: American Geophysical Union), 1999, 112: vii–viii [2021-04-18], Bibcode:1999GMS...112D...7W, ISBN 0-87590-095-X, doi:10.1029/gm112p0vii (不活跃 2024-02-13)
Chappellaz, Jérôme; Brook, Ed; Blunier, Thomas; Malaizé, Bruno. CH4and δ18O of O2records from Antarctic and Greenland ice: A clue for stratigraphic disturbance in the bottom part of the Greenland Ice Core Project and the Greenland Ice Sheet Project 2 ice cores. Journal of Geophysical Research: Oceans. 1997-11-30, 102 (C12): 26547–26557. Bibcode:1997JGR...10226547C. ISSN 0148-0227. doi:10.1029/97jc00164.
Thompson, L. G., High Altitude, Mid- and Low-Latitude Ice Core Records: Implications for Our Future, Earth Paleoenvironments: Records Preserved in Mid- and Low-Latitude Glaciers, Developments in Paleoenvironmental Research 9 (Dordrecht: Kluwer Academic Publishers), 2004, 9: 3–15, ISBN 1-4020-2145-3, doi:10.1007/1-4020-2146-1_1
Webb, Robert S.; Clark, Peter U.; Keigwin, Lloyd D., Preface, Mechanisms of Global Climate Change at Millennial Time Scales 112 (Washington, D. C.: American Geophysical Union), 1999, 112: vii–viii [2021-04-18], Bibcode:1999GMS...112D...7W, ISBN 0-87590-095-X, doi:10.1029/gm112p0vii (不活跃 2024-02-13)
J.T. Houghton; et al (编). Figure 1: Variations of the Earth's surface temperature over the last 140 years and the last millennium.. Summary for policy makers. IPCC Third Assessment Report - Climate Change 2001 Contribution of Working Group I. Intergovernmental Panel on Climate Change. 2001 [2011-05-12]. (原始内容存档于2016-11-13).
J.T. Houghton; et al (编). Chapter 2. Observed climate variability and change. Climate Change 2001: Working Group I The Scientific Basis. Intergovernmental Panel on Climate Change. 2001 [2011-05-12]. (原始内容存档于March 9, 2016).
Supplement: Lisiecki, L. E.; Raymo, M. E. Pliocene-Pleistocene stack of globally distributed benthic stable oxygen isotope records. Pangaea. 2005. doi:10.1594/PANGAEA.704257.
Supplement: Lisiecki, L. E.; Raymo, M. E. Pliocene-Pleistocene stack of globally distributed benthic stable oxygen isotope records. Pangaea. 2005. doi:10.1594/PANGAEA.704257.
Webb, Robert S.; Clark, Peter U.; Keigwin, Lloyd D., Preface, Mechanisms of Global Climate Change at Millennial Time Scales 112 (Washington, D. C.: American Geophysical Union), 1999, 112: vii–viii [2021-04-18], Bibcode:1999GMS...112D...7W, ISBN 0-87590-095-X, doi:10.1029/gm112p0vii (不活跃 2024-02-13)
Chappellaz, Jérôme; Brook, Ed; Blunier, Thomas; Malaizé, Bruno. CH4and δ18O of O2records from Antarctic and Greenland ice: A clue for stratigraphic disturbance in the bottom part of the Greenland Ice Core Project and the Greenland Ice Sheet Project 2 ice cores. Journal of Geophysical Research: Oceans. 1997-11-30, 102 (C12): 26547–26557. Bibcode:1997JGR...10226547C. ISSN 0148-0227. doi:10.1029/97jc00164.
Supplement: Lisiecki, L. E.; Raymo, M. E. Pliocene-Pleistocene stack of globally distributed benthic stable oxygen isotope records. Pangaea. 2005. doi:10.1594/PANGAEA.704257.
What Are "Proxy" Data?. NCDC.NOAA.gov. National Climatic Data Center, later called the National Centers for Environmental Information, part of the National Oceanic and Atmospheric Administration. 2014. (原始内容存档于2014-10-10).
Supplement: Lisiecki, L. E.; Raymo, M. E. Pliocene-Pleistocene stack of globally distributed benthic stable oxygen isotope records. Pangaea. 2005. doi:10.1594/PANGAEA.704257.
Hawkins, Ed. 2019 years. climate-lab-book.ac.uk. 2020-01-30. (原始内容存档于2020-02-02). ("The data show that the modern period is very different to what occurred in the past. The often quoted Medieval Warm Period and Little Ice Age are real phenomena, but small compared to the recent changes.")
J.T. Houghton; et al (编). Figure 1: Variations of the Earth's surface temperature over the last 140 years and the last millennium.. Summary for policy makers. IPCC Third Assessment Report - Climate Change 2001 Contribution of Working Group I. Intergovernmental Panel on Climate Change. 2001 [2011-05-12]. (原始内容存档于2016-11-13).
J.T. Houghton; et al (编). Chapter 2. Observed climate variability and change. Climate Change 2001: Working Group I The Scientific Basis. Intergovernmental Panel on Climate Change. 2001 [2011-05-12]. (原始内容存档于March 9, 2016).
What Are "Proxy" Data?. NCDC.NOAA.gov. National Climatic Data Center, later called the National Centers for Environmental Information, part of the National Oceanic and Atmospheric Administration. 2014. (原始内容存档于2014-10-10).
Chappellaz, Jérôme; Brook, Ed; Blunier, Thomas; Malaizé, Bruno. CH4and δ18O of O2records from Antarctic and Greenland ice: A clue for stratigraphic disturbance in the bottom part of the Greenland Ice Core Project and the Greenland Ice Sheet Project 2 ice cores. Journal of Geophysical Research: Oceans. 1997-11-30, 102 (C12): 26547–26557. Bibcode:1997JGR...10226547C. ISSN 0148-0227. doi:10.1029/97jc00164.
O.Muszkat, The outline of the problems and methods used for research of the history of the climate in the Middle Ages, (in polish), Przemyśl 2014, ISSN1232-7263