Memoirs of the Twentieth Century

E·H·穆爾在數學譜系計畫的資料。 E·H·穆爾 — Biographical Memoirs of the National Academy of Sciences David Lindsay Roberts, Moore´s early twentieth century program for reform in mathematics

Science in the Twentieth Century. Macmillan. 2002: 122. ISBN 9780805071344.  罗纳德·费希尔 "Statistical methods and scientific induction" Journal of the Royal Statistical

Casualties and Combat Losses in the Twentieth Century. Greenhill Books. ISBN 978-1853672804. p. 92 Conquest, Robert, Kolyma: The Arctic Death Camps, Methuen

Helped Shape the Twentieth Century, Washington, D.C.: Brassey's. ISBN 1-57488-367-4/ISBN 978-1-57488-367-1;OCLC 45637120 Kahn, David. (1966). The Codebreakers:

（原始内容存档于2020-08-20）.  Brodie, Harlow Keith Hammond. The Research University Presidency in the Late Twentieth Century: A Life Cycle/case History Approach. Greenwood