Fourth General conference on communications and transit
Subtitle: Supplement to volume 1, Calendar reform. Proposal by the National committee of the United States of America relating to: 1. The improvement of the leap-year rule; 2. The adjustment of the date of the vernal equinox
Published: 1931
Place of publication: Geneva
Language: eng
Notes: Official no.: 4th C.G.T.1. Vol.I. [Supplement]

Series of League of Nations Publications.VIII.Transit.1931.12I Supplement.