Supplement (1951) to Catalogue of economic and social projects 1950. 

 - New York [etc.] 
 - v. in    23-28 cm. 
<br/><br/>  No. 1 issued without the symbol of the United Nations Document.  (Z6 483.S6U5 no. 1)   Issued with the United Nations publications sales numbers.   No. 1 covers the period Jan. 1946 to Jan. 1949.   No. 1 issued by Dept. of Economic Affairs and Dept. of Social Affair s of the United Nations.   Absorbed Comparative review of the activities and work programmes of the United Nations...with no. 2.   Supplement to 1950 ed. issued instead of a complete catalogue for 19 51. 
<br/><br/><label>Subjects--Corporate Names: </label><br/> United Nations.<br/> United Nations -- Bibliography.
<br/><br/><label>Subjects--Topical Terms: </label><br/> Social sciences -- Bibliography.<br/> Research.