Parks, Gary W. (Compiler) <br/><br/>
Index to the 1820 Census of Maryland and Washington, D, C. 

 - Baltimore, MD  Genealogical Publishing Co., Inc.  1986 
<br/><br/><label>ISBN: </label>0806311487 
<br/><br/><label>LCCN: </label>8582466 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>1. Census, Maryland<br/>2. Census, District of Columbia<br/>3. District of Columbia