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| Jefferson County, Wisconsin Deed Index, Grantor: 1857-1877 | | 1. Jefferson County (Wis.)-Land tenure-Indexes. | R 304.8 Jeff 1857-1877 MFlm | |
| Jefferson County, Wisconsin Deed Index, Grantee: 1863-1877 | | 1. Jefferson County (Wis.)-Land tenure-Indexes. | R 304.8 Jeff 1863-1877 MFlm | |
| Jefferson County, Wisconsin Deed Index, Grantee: 1838-1864 | | 1. Jefferson County (Wis.)-Land tenure-Indexes. | R 304.8 Jeff 1838-1864 MFlm | |
| Jefferson County, Wisconsin Deed General Index, Grantor: 1899-1900, Items 1 & 2; 1838-1857, Items 3 & 4 | | 1. Jefferson County (Wis.)-Land tenure-Indexes. | R 304.8 Jeff 1899-1900 1838-1857 MFlm | |
| Jefferson County, Wisconsin Deed General Index, Grantor: 1893-1898 | | 1. Jefferson County (Wis.)-Land tenure-Indexes. | R 304.8 Jeff 1893-1898 MFlm | |
| Jefferson County, Wisconsin Deed General Index, Grantor: 1886-1892 | | 1. Jefferson County (Wis.)-Land tenure-Indexes. | R 304.8 Jeff 1886-1892 MFlm | |
| Jefferson County, Wisconsin Deed General Index, Grantor: 1877-1885 | | 1. Jefferson County (Wis.)-Land tenure-Indexes. | R 304.8 Jeff 1877-1885 MFlm | |
| Jefferson County, Wisconsin Censuses: 1840, 1842 and Aztalan-1850, 1860; Lake Mills-1850, 1860; Milford-1850, 1860; Waterloo-1850, 1860 | | 1. Jefferson County (Wis.)-Census. 2. Census-Wisconsin-Jefferson County. | R 351.819 J35 1840-1860 | |
| Jefferson County, Wisconsin Cemeteries: a GNIS List | | 1. Jefferson County (Wis.)-Cemeteries. | R 929.5 Jeff J35g | |
| Jefferson County, Wisconsin Cemeteries for the Townships of Jefferson and Koshkonong in 8 Parts: Pt. 1: Jefferson Township Catholic Cemeteries: St. Coletta, St. Lawrence, St. John the Baptist. Pt. 2: | | 1. Jefferson County (Wis.)-Cemeteries. 2. Jefferson County (Wis.)-Genealogy. | R 929.5 Jeff J35 | |
| Jefferson County, Wisconsin and Its People: A Record Settlement, Organization, Progress and Achievement, Illustrated, Volume 2 | Ott, John Henry | 1. Jefferson County (Wis.)-History. I. Title. | R 977.5 Jeff Ot8 v.2 | |
| Jefferson County, Wisconsin and Its People: A Record Settlement, Organization, Progress and Achievement, Illustrated, Volume 1 | Ott, John Henry | 1. Jefferson County (Wis.)-History. I. Title. | R 977.5 Jeff Ot8 v.1 | |
| Jefferson County Wisconsin, Farm & Ranch Directory, 1968 | | 1. Jefferson County (Wis.)-Directories. | R 917.7585 J35 1968 | |
| Jefferson County Newspaper Indexing Project: The Jefferson Banner, Jefferson, Wisconsin, January 14, 1864 to August 9, 1871, Waterloo Journal, Waterloo, Wisconsin, and Waterloo Democrat, Waterloo, Wis | | 1. The Jefferson Banner, Jefferson (Wis.)-Newspaper Indexing. 2. Waterloo Journal, Waterloo (Wis.)-Newspaper Indexing. 3. Waterloo Democrat, Waterloo (Wis.)-Newspaper Indexing. | R 929.3 Jeff J35n v.1 | |
| Jefferson County Newspaper Indexing Project: The Jefferson Banner, Jefferson, Wisconsin, January 14, 1864 to August 9, 1871, Waterloo Journal, Waterloo, Wisconsin and Waterloo Democrat, Waterloo, Wisc | | 1. The Jefferson Banner, Jefferson (Wis.)-Newspaper Indexing. 2. Waterloo Journal, Waterloo (Wis.)-Newspaper Indexing. 3. Waterloo Democrat, Waterloo (Wis.)-Newspaper Indexing. | R 929.3 Jeff J35n v.2 | |
| Jefferson County Insane Asylum & Poor House: Items as Recorded in Local Newspapers | the County Board | 1. Institutional care-Mentally ill. | R 362.2 J35 | |
| Jefferson County Court, Jefferson, Wisconsin, Wills and Certificates, Volume 3 | Jefferson County Court; Friedl, Doris, indexer | 1. Jefferson County (Wis.)-Wills. | R 346.05 Jeff 1856-1875 | |
| Jefferson County Court, Jefferson, Wisconsin, Miscellaneous Probate Orders, Volume 23 | Jefferson County Court; Friedl, Doris, indexer | 1. Jefferson County (Wis.)-Probate records. | R 346.05 Jeff 1890-1891 | |
| Jefferson Centennial, 1878-1978, Gemuetlichkeit Days Sept. 14, 15, 16, 17 | Doucette, Pam, Editor | 1. Jefferson (Wis.)-History. | R 977.5 Jeff J35 | |
| Jefferson & Waukesha Counties Firemen's Association, 14th Annual Firemen's Association Tournament, Jefferson, Wisconsin, July 9&10, 1949 | the Association | 1. Jefferson County (Wis.)-Fire Fighters. 2. Waukesha County (Wis.)-Fire Fighters. 3. Fire Fighters-Wisconsin. | R 977.5 Jeff J35f 1949 | |