Computer index to Pennsylvania 1800 census, Butler, Crawford and Mercer Counties.
By: Compiled by accelerated indexing systems. [Compiled by Ronald V. Jackson and others.
Contributors: Jackson, Ronald Vern.
Publisher: Gen-Dex Worldwide
Published: 1971
Place of publication: Salt Lake City, Utah
Language: eng
Number of pages: 34
Subjects: Butler County (Pa.) -- Census, 1800.; Crawford County (Pa.) -- Census, 1800.; Mercer County (Pa.) -- Census, 1800.
Other titles: Accelerated indexing systems computer index to Pennsylvania 1800 census