An Index to the 1800 Federal Census of Caroline, Cecil, Charles, Frederick and Kent Counties, Maryland 

 -  1968 
 - unpaged 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>1. Census<br/>2. Caroline County, MD<br/>3. Cecil County, MD<br/>4. Charles County, MD<br/>5. Frederick County, MD<br/>6. Kent County, MD