Report to Congress :  determination of non-profit organizations' eligibility for reduced postage rates should be improved, United States Postal Service / 
prepared by Comptroller General of United States. 
 - [Washington, D.C.,  1972]. 
 - [3], 34 p. 
<br/><br/> B-114874.  cover title.  Apr. 4, 1972.  Distribution made by issuing office.  Paper, $1.00.  4to.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Postal rates--United States.
<br/><br/><label>Gov. Doc. Class. No.: </label>GA 1.13:N 73/2