The 1850 Census of St. Mary's County, Maryland 

 -  1979 
 - 226 pages 
<br/><br/> (2 copies in stacks: 4 copies on replacement shelf) 
<br/><br/><label>LCCN: </label>79577349 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>1. Census, Saint Mary's County, Maryland