| Type | Region | Begin Date | End Date | Description | Format |
|---|
| Family | | 1086 | 1870 |  History of the family of Chichester : from A.D. 1086 to 1870 : including the descents of the various branches settled at Raleig | Online |
| Family | | 1580 | 1870 |  Records of the Sharpe family in England and America : from 1580 to 1870 | Online |
| Family | | 1600 | 1870 |  Root genealogical records, 1600-1870 : comprising the general history of the Root and Roots families in America | Online |
| Family | | 1638 | 1870 |  A genealogy of one branch of the Wood family : from 1638 to 1870. | Online |
| Vital | MA | 1648 | 1870 | Middlesex County, Massachusetts Probate Index, 1648-1870 | Online |
| History | VA | 1734 | 1870 | A history of Orange County, Virginia : from its formation in 1734 (o.s.) to the end of Reconstruction in 1870 : compiled mainly | Online |
| Other | | 1780 | 1870 |  The Ontario Register, 1780s-1870s | CD |
| History | | 1785 | 1870 | A history of the Moravian Seminary for Young Ladies, at Bethlehem, Pa., with a catalogue of its pupils, 1785-1870 | Online |
| Other | RI | 1796 | 1870 | Register of Seamen's Protection Certificates from the Providence, Rhode Island Customs District, 1796-1870 | Online |
| History | TN | 1801 | 1870 | The history of Roane County, Tennessee, 1801-1870 | Online |
| Vital | AL | 1808 | 1870 | Index to Alabama Wills, 1808-1870 | Online |
| Census | AR, KS | 1819 | 1870 | Arkansas Census, 1819-70 | Online |
| Immigration | | 1820 | 1870 | Atlantic Ports, Gulf Coasts, and Great Lakes Passenger Lists, Roll 4: 1820-1870 | Online |
| Vital | | 1827 | 1870 | Ontario, Canada: Roman Catholic Marriages, 1827-1870 | Online |
| Census | MI | 1827 | 1870 | Michigan Census, 1827-70 | Online |
| Census | MO | 1830 | 1870 | Missouri Census, 1830-70 | Online |
| Vital | MO | 1834 | 1870 | Carroll County, Missouri Wills and Administrations, 1834-70 | Online |
| Vital | MO | 1837 | 1870 | Livingston County, Missouri Wills and Administrations 1837-1870 | Online |
| Census | IA | 1838 | 1870 | Iowa Census, 1838-70 | Online |
| Vital | MO | 1842 | 1870 | Linn County, Missouri Marriages: 1842-70 | Online |
| Military | | 1848 | 1870 | The era of the Civil War, 1848-1870 | Online |
| Vital | TN | 1850 | 1870 | Dickson County, Tennessee Marriages, 1850-70 | Online |
| Census | NE | 1854 | 1870 | Nebraska Census, 1854-70 | Online |
| Other | NY | 1860 | 1870 | The election and naturalization frauds in New York City, 1860-1870 | Online |
| Directory | | 1869 | 1870 | Calhoun County business directory for 1869-70 | Online |
| Directory | | 1869 | 1870 | Charles F. Clark & Co.'s annual city directory of the inhabitants, business firms, etc., of the city of Detroit, 1869-70. | Online |
| Directory | | 1869 | 1870 | Holland's Detroit business directory, for 1869-70 | Online |
| Directory | DE | 1869 | 1870 | Chester and Delaware Co. directory for 1869-70 : containing the names of the inhabitants, together with a town business directo | Online |
| Directory | NY | 1869 | 1870 | Gazetteer and business directory of Chenango County, N.Y., for 1869-70 | Online |
| Directory | NY | 1869 | 1870 | Gazetteer and business directory of Herkimer County, N.Y. : for 1869-70 | Online |
| Directory | NY | 1869 | 1870 | Gazetteer and business directory of Monroe County, N.Y. for 1869-70 | Online |
| Directory | NY | 1869 | 1870 | Gazetteer and business directory of Montgomery and Fulton Counties, N.Y. : for 1869-70 | Online |
| Census | | 1870 | | 1870 United States Federal Census | Online |
| Other | | 1870 | | Celebration of the bi-centennial anniversary of the town of Suffield, Conn. : Wednesday, Oct. 12, 1870. | Online |
| Other | | 1870 | | Centennial celebration of the settlement of Rutland, Vt., October 2d, 3d, 4th and 5th, 1870 | Online |
| Other | | 1870 | | Harvey Rice, Letters from California, 1870 | Online |
| Other | | 1870 | | J.G. Player-Frowd, Six Months in California, 1870s | Online |
| Directory | | 1870 | | Orange County directory for 1870 | Online |
| Other | | 1870 | |  Queensland Blue Book 1870 (on CD) | CD |
| Other | | 1870 | | Semi-centennial of the Providence journal : January 3, 1870. | Online |
| Other | | 1870 | | Walter Fisher, Life in California, 1870s | Online |
| Directory | | 1870 | 1871 | Charles F. Clark & Co.'s annual city directory of the inhabitants, business firms, etc., of the city of Detroit, 1870-71. | Online |
| Directory | | 1870 | 1871 | J. S. Lothrop's Champaign County directory, 1870-1 | Online |
| Other | | 1870 | 1893 | The industrial state, 1870-1893 | Online |
| Other | | 1870 | 1899 | The Ministers' Club, 1870-1899 | Online |
| History | | 1870 | 1970 | Centennial history of Sinclairville Free Library, 1870-1970 | Online |
| Census | AK | 1870 | 1907 | Alaska Census, 1870-1907 | Online |
| World | Australia | 1870 | |  Bailliere's New South Wales Gazetteer and Road Guide 1870 (on CD) | CD |
| Other | CA | 1870 | | Sarah Smith, Raised On a California Sheep Ranch, 1870s | Online |
| Church | CA | 1870 | 1873 | Caroline Churchill, California Travel Letters, 1870-73 | Online |
| Vital | CT | 1870 | | Connecticut Town Birth Records, pre-1870 (Barbour Collection) | Online |
| Vital | CT | 1870 | | Connecticut Town Death Records, pre-1870 (Barbour Collection) | Online |
| Vital | CT | 1870 | | Connecticut Town Marriage Records, pre-1870 (Barbour Collection) | Online |
| Other | IL | 1870 | | Constitution of the state of Illinois : adopted and ratified, 1870. | Online |
| Other | KS | 1870 | 1920 | Leavenworth, Kansas Death Index, 1870-1920 | Online |
| Census | MA | 1870 | | Webster, Massachusetts Census, 1870 | Online |
| Census | MA | 1870 | | West Boylston, Massachusetts Census, 1870 | Online |
| Census | MA | 1870 | | West Brookfield, Massachusetts Census, 1870 | Online |
| Census | MA | 1870 | | Westborough, Massachusetts Census, 1870 | Online |
| Census | MA | 1870 | | Westminster, Massachusetts Census, 1870 | Online |
| Census | MA | 1870 | | Winchendon, Massachusetts Census, 1870 | Online |
| Vital | MI | 1870 | 1887 | Michigan marriage records, 1870-1887 | Online |
| Other | MI | 1870 | 1900 | Michigan Biographical Sketches, 1870-1900 | Online |
| Other | MN | 1870 | | Minnesota, 1870 | Online |
| Other | MN | 1870 | | Statistics of Minnesota pertaining to agriculture, manufactures, population, &c., &c., for 1870 | Online |
| Vital | MN | 1870 | 1874 | Rice County, Minnesota Births, 1870-74 | Online |
| Vital | MO | 1870 | 1917 | Audrain County, Missouri Marriages, 1870-1917 | Online |
| Vital | MO | 1870 | 1922 | Callaway County, Missouri Marriages, 1870-1922 | Online |
| Census | ND | 1870 | 1890 | North Dakota Census, 1870-90 | Online |
| Vital | NV | 1870 | 1900 | Nevada State Journal, 1870-1900 | Online |
| Vital | NV | 1870 | 1920 | Nevada Orphan's Home Records, 1870-1920 | Online |
| Directory | NY | 1870 | 1871 | Gazetteer and business directory of Albany & Schenectady Co., N.Y. for 1870-71 | Online |
| Directory | NY | 1870 | 1871 | Gazetteer and business directory of Rensselaer County, N.Y., for 1870-71 | Online |
| Census | VA | 1870 | | 1870 census of Russell County, Virginia | Online |
| Vital | VA | 1870 | 1880 | Caroline County, Virginia Births, 1870-1880 | Online |
| Census | WI | 1870 | | Winnebago County, Oshkosh Wisconsin, Census, 1870 | Online |
| Other | WI | 1870 | 1900 | Wisconsin Political Commentary, 1870-1900 | Online |
