00711cam a2200217 4500 133500440 TxAuBib 20001007120000.0 001007s1974||||||||||||||||||||||||und|u 78112498 4907651 OCLC TxAuBib Jackson, Ronald Vern. Delaware 1820 census index / editor, Ronald Vern Jackson. Bountiful, Utah : Accelerated Indexing Systems, 1974. [18], 27 p. : map ; 29 cm. Bibliography: p. [8] (1st group.) 20001007. Delaware Census, 1820 Indexes. Delaware Genealogy.