Advisory and technical committee for communications and transit : special committee of enquiry into the reform of the calendar : classification and summary of proposals for calendar reform received before July 1st, 1926.
League of Nations.
[Geneva?] : Presses Universitaires,
1927.
"C. 167. M. 49. 1927. VIII. [Annex III to Document A. 33. 1926. VIII].
At head of title: ... Geneva, March 20th, 1927. League of nations.
Calendar.
Calendar, Gregorian.
Advisory and technical committee for communications and transit.