Indexes to the International standard industrial classification of all economic activities. 

 - Preliminary issue. 
 - New York :  Statistical Office of the United Nations, Dept. of Economic and Social affairs,  1956. 
 - Statistical papers. Series M ;  no. 4, add. 1, indexed edition .
 - Statistical papers. Series M. ;  Statistical papers. Series M. ;  no. 4, add. 1. .
<br/><br/> "ST/STAT/SER.M/4, Add.1, April 1956"--T.p. verso.  "United Nations publication. Sales number: 1956.XVII.2"--T.p. verso. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United Nations. Statistical Office. International standard industrial classification of all economic activities. United Nations. Statistical Office. International standard industrial classification of all economic activities.  United Nations. Statistical Office. International standard industrial classification of all economic activities. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries -- Classification -- Indexes.--Industries -- Classification -- Indexes.--Industries -- Classification -- Indexes.