Issued with U.N. document series symbol E/CN.5/... , e.g. the first survey was assigned document symbol E/CN.5/196/Rev.1. Issued also with U.N. sales number in U.N. sales category IV, e.g. the first survey carried sales number 1950.IV.11.
Issuing Body Note
Published 1950 by Dept. of Social Affairs; 1955 by Bureau of Social Affairs; 1958- by Dept. of Economic and Social Affairs.