Manual of Federal agencies with offices in Puerto Rico 
by Irma García de Serrano and Mercedes Portillo de Negrón. 
 - Río Piedras  College of Social Sciences, School of Public Administration, University of Puerto Rico  1954 [i.e. 1955] 
 - 274 p.  23cm. 
<br/><br/> "Prepared by the School of Public Administration, a unit of the College of Social Sciences of the University of Puerto Rico... The research work was done by Mrs. Irma García de Serrano and Mrs. Mercedes Portillo de Negrón."  "Constitutes a revision of the directory published by the Bureau of the Budget of the Commonwealth of Puerto Rico in 1952." 
<br/><br/><label>LCCN: </label>55062552  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Executive departments--Directories.
<br/><br/><label>LC Class. No.: </label>JK464 1955  / .P8