Jackson, Ronald Vern (Editor) <br/><br/>
District of Columbia 1850 Census  Census Index 

 - UT  Accelerated Indexing Systems, Inc.  1977 
 - 44 pages after introduction 
<br/><br/><label>ISBN: </label>0895930242 
<br/><br/><label>LCCN: </label>7785904 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>1. Census, District of Columbia<br/>2. District of Columbia