Perkins, Walter Morris,  1913- <br/><br/>
Simple methods for representative sampling in studies of public assistance case loads, 
by Walter M. Perkins ... 
 - [Washington]  1944. 
 - 1 p. l., 17 p.  27 cm. 
 - [U.S.] Bureau of Public Assistance. Public assistance research memorandum  no. 6 .
 - United States.  Bureau of Family Services.  Public assistance research memorandum ;  no. 6. .
<br/><br/> At head of title: Federal Security Agency, Social Security Board.  Reproduced from type-written copy. 
<br/><br/><label>LCCN: </label>ss 44000056  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling (Statistics)<br/>Public welfare--Statistics.
<br/><br/><label>LC Class. No.: </label>HV85  / .A48 no. 6 
<br/><br/><label>Dewey Class. No.: </label>360.72