Mahar Mary Helen <br/><br/>
Certification of school librarians: A compliation of state requirements - 1958 
U. S. Department of Heatlh, Education, and Welfare 
 - Washington, USA  U.S. Government Printing Office   1958 
 - viii,73p. 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School Libraries