Fourth General conference on communications and transit : preparatory documents.
League of Nations.
Conference on Freedom of Communications and Transit(4th, :Geneva,)1931.
Geneva : League of Nations,
1931.
At head of title: Official no.: 4th C.G.C.T.I. Geneva. June 17th-July 14th, 1931. League of Nations.
Supplement to vol. 1 bound with basic works.
Errata slip inserted in v. 1.
I. Calendar reform -- II. 1. Report by the secretary-general of the League of nations on action taken on the decisions of previous conferences. 2. Memorandum on the principal questions dealt with by the Advisory and technical committee for communications and transit since the third General conference. 3. Grave occurrences of a general character affecting routes of communication.
Communication and traffic.
Calendar.