- BNA HO 45/10548/162178, draft, Calendar Reform Act 1908, An Act to Reform the Calendar Fixing Easter and Other and More Bank Holidays and for Other Purposes in Relation Thereto, 2; 还可参看Philip, Reform of the Calendar, 58; "Britain Asks Views on Calendar Reform," New York Times, March 31, 1911, 2.
- BArch R901/37726, memorandum Aufzeichnung über die Frage der Einführung eines Normalkalenders und der Festlegung des Osterfestes, Berlin, January 23, 1911; "Proposals for the Reform of the Calendar," Nature, August 26, 1911, 281–283.
- Lcague of Nations Archives, Communications and Transit Section (此后引用时写作LNA CTS) Calendar Reform, 1919-1927, 14/22679/12478, Rcform of the Calendar, Provisional Committee, Document 8, Note on the Experience of Reforming the Calendar, March 9, 1922, 1.
30.关于国际联盟大体上的历史，以及其通讯与运输部的历史，参见Francis P. Walters, A History of the League of Nations (Oxford: OxfordUniversity Press, 1960).
- LNA CTS, Calendar Reform, 1919–1927, 14/22679/12478, Reform of the Calendar, Provisional Committee, Document 8, Note on the Experience of Reforming the Calendar, March 9, 1922, 2.
- LNA CTS, 1919–1927, 14/52722/12478, Resolution 1926, Société des Nations, commission consultative et technique des communications et du transit réforme du calendrier, projet de résolution, July 17, 1926, 1.
- Sarah Steiner, The Lights that Failed: European International History, 1919-1933 (Oxford: Oxford University Press, 2005).
- Pamphlet, The World Calendar Association, Calendar before thc United
第七章 给所有人的一份历法
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