1850-1978 Homestead Exemptions (Series 37)
c.1850-1978 Homestead Exemptions Index (Series 137)
c.1850-1990 (bulk 1920s-1930s) Parks Department Historic Facts File (Series 50)
1851-1990 Cemetery Deeds (Series 249)
1852-1913 Miscellaneous Surrogate Court Letterbooks (Series 202)
1853-1911 County Court Minutes (Series 342)
1853-1913 Board of Supervisors Records (Series 216)
1853, 1951, ca. 1990s Colonial and Revolutionary War Reference Collection (Series 319)
1854-1917 Almshouse Records (Series 179)
1855-1906 Declaration of Intention Record Books (Series 6)
1857-1869, 1875 (gaps) Liquor Licenses (Series 212)
1857-1910 Miscellaneous Records, “Register’s Office” (Series 271)
1857-1938 Statute Foreclosures Notices (Series 5)
c.1860-1963 Liens on Vessels (Series 192)
1862-1914 (gaps) Tax Sales and Tax Registers (Series 356)
1865-1867 Sheriff's Summons and Orders of Arrest Register (Series 189)
1865-1871, 1888 Sheriff Darius Lyon Receipt Book (Series 286)
1867-1984 (gaps) Westchester County Atlases Collection (Series 315)
1868-1916 Collector’s Bonds Register (Series 63)
1868-1933 County Court Case Index (Series 341)
1868-1969 Collector’s Bonds Index (Series 67)
1869-1916 (bulk 1869-1911) Supreme Court Minutes (Series 344)
1874-1875 Eastchester Drainage Certificates of Sale (Series 106)
1875, 1881-1926 Incorporation Records (Series 45)
1877-1917 New York City Watershed Proceedings (Series 252)
1881-1945, 1968-1970 Mount Vernon Board of Health Minutes (Series 284)
1883-1917 Watershed Condemnation Proceedings (Series 111)
1884-1944 Foreign Notaries (Series 36)
1885-1929 Corporation Registers (Series 292)
1886-1925 Coroner’s Inquests Index (Series 74)
1887-1939 (gaps) Sanborn Maps and Atlases Collection (Series 316)
1890-1980 (1928-1969 bulk) Board of Supervisors / Board of Legislators Subject Files (Series 300)
1892-1893, 1897-1955 Jurors Record Books (Series 122)
1892-1895 Election Notices (Series 32)
1892-1897, 1909-1925 Jurors Exemption Affidavits (Series 124)
1892-1921, 1936-1998 (gaps) Election and Canvass Records (Series 140)
1892-c.1925 Jurors Exemption Lists (Series 123)
1892-1949 (bulk 1906-1949) District Attorney Case Files - Access Restricted (Series 253)
1894-1905 Agents and Principals Register (Series 128)
1895-1901 Jurors Exemptions, Firemen and Fire Companies (Series 125)
1895-1951 Podiatrist Register (Series 2)
1895-1969 (bulk 1943-1957) Michaelian Collection: Pre-County Executive Records (Series 25)
1895-1986 Naturalization Petitions (Series 11)
1896 Bronx Valley Sewer Commission Final Report (Series 94)
1896-1907 Nominations Records (Series 143)
c.1896-1962 (gaps) Parks Department Oversized Collection (Series 314)
1896-1982 Legal Division Miscellaneous Records (Series 60)
c.1896-1983 Edwin G. Michaelian Collection: Memorabilia and Certificates (Series 29)
1898-1906 Naturalization Petitions, Rejected (Series 14)
1898-1921 New York City Indexes to Deeds, Releases, Mortgages, and Assignment of Mortgages (Series 17)
1898-1931 Cross Index to Surnames (Series 127)
1898-1978 (bulk 1937-1955, 1970-1972) Municipal Elections and Appointments Records (Series 153)
1899-1904 Horseshoers Register (Series 41)