Many newspapers have not been digitized.
You can find them using Worldcat, an index to the holdings of many libraries
Search for TOWN NAME newspapers (if the town name is not unique to New Jersey, search TOWN NAME (N.J.) newspapers)
Then you can use Interlibrary Loan to borrow the microfilm.
In addition, most public libraries carry their hometown newspapers, even if it is not listed in WorldCat.
A list of all known New Jersey newspapers can be found at the Library of Congress.
If you have any trouble locating a newspaper, please contact a librarian. There are numerous other ways of finding them.
ProQuest Historical Newspapers
BERGEN COUNTY
Hackensack Evening Record (1898-1902)
Hackensack Evening Record and Bergen County Herald (1902-1920)
Hackensack Evening Record (1913-1914)
Hackensack Evening Record (1920-1922)
Hackensack Bergen Evening Record (1922-1960)
Hackensack Record (1960-2009)
CAMDEN COUNTY
Camden Post (1881-1883)
Camden Daily Courier (1882-1925)
Camden Courier (1925-1926)
Camden Evening Courier (1926-1949)
CUMBERLAND COUNTY
Millville Daily Republican (1923-1960)
Millville Daily (1960-1998)
Millville Daily Journal (1988-2011)
Vineland Evening Journal (1880-1925)
Vineland Times (1925-1942)
Vineland Times Journal (1942-1988)
MIDDLESEX COUNTY
East Brunswick Home News and Tribune (1995-2009)
New Brunswick Daily Home News (1903-1970)
New Brunswick Home News (1985-1995)
MORRIS COUNTY
Morristown Daily Record (1974-2012)
PASSAIC COUNTY
Passaic Herald News (1932-1985)
Paterson Morning Call (1885-1886)
Paterson Morning Call (1886-1889)
Paterson Morning Call (1902-1969)
Paterson Evening News (1890-1969)
Paterson Evening News (1969-1980)
Paterson Morning News (1977-1980)
Paterson News (1980-1987)
Paterson North Jersey Herald-News (1985-1987)
SOMERSET COUNTY
Bridgewater Courier-News (1961-2010)
UNION COUNTY
Plainfield Courier (1891-1894)
Plainfield Evening News (1884-1885)
Plainfield Evening News (1885-1891)
Plainfield Courier-News (1894-1961)
America's Historical Newspapers
ATLANTIC COUNTY
Egg Harbor City Egg Harbor Pilot (1860-1915)
Egg Harbor City Der Zeitgeist (1867-1872)
CAMDEN COUNTY
Camden Mail and General Advertiser (1834-1840)
Camden Democrat (1860-1875)
Camden West Jersey Press (1861-1876)
Camden New Republic (1867-1875)
CUMBERLAND COUNTY
Bridgeton Washington Whig (1815-1834)
Bridgeton West Jersey Observer (1829-1836)
Bridgeton Chronicle (1837-1860)
ESSEX COUNTY
Newark Woods's Newark Gazette (1791-1797)
Newark Centinel Of Freedom (1796-1876)
Newark Daily Advertiser (1832-1866)
Newark Evening Courier (1866-1876)
Newark New Jersey Deutsche Zeitung (1880-1898)
Newark Jewish Chronicle (1921-1943)
Newark Star-Ledger (1945-2017)
GLOUCESTER COUNTY
Woodbury Village Herald, and Weekly Advertiser (1824-1832)
Woodbury Constitution, and Farmers' and Mechanics' Advertiser (1834-1876)
HUDSON COUNTY
Jersey City Daily Telegraph (1851-1856)
Jersey City Times (1864-1868)
Jersey City Jersey Journal (1867-1999)
MERCER COUNTY
Princeton Whig, and Somerset and Middlesex Advertiser (1832-1837)
Princeton Standard (1863-1869)
Trenton New-Jersey Gazette (1778-1786)
Trenton New Jersey State Gazette (1792-1799)
Trenton Federalist (1800-1824)
Trenton True American (1801-1818)
Trenton Emporium and True American (1821-1855)
Trenton Weekly State Gazette (1829-1849)
Trenton State Gazette (1847-1898)
Trenton Daily True American (1852-1879)
Trenton Evening Times (1883-1993)
Trenton Trentonian (1964-2012)
MIDDLESEX COUNTY
New Brunswick Guardian or New Brunswick Advertiser (1792-1804)
New Brunswick Fredonian (1811-1829)
New Brunswick Jewish Journal (1956-1971)
MONMOUTH COUNTY
Freehold Monmouth Democrat, and Farmers' and Workingmens' Advocate (1842-1853)
MORRIS COUNTY
Morristown Genius of Liberty (1798-1811)
Morristown Palladium of Liberty (1808-1822)
Morristown Jerseyman (1826-1841)
PASSAIC COUNTY
Paterson Daily Press (1867-1876)
SALEM COUNTY
Salem National Standard (1849-1852)
Salem Messenger and Public Advertiser (1819-1832)
SOMERSET COUNTY
Somerville Somerset Messenger (1829-1876)
UNION COUNTY
Elizabethtown New-Jersey Journal (1786-1818)
Plus many newspapers with short runs
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ATLANTIC COUNTY
Absecon South Jersey Republican (1863-1923)
Egg Harbor City Atlantic Democrat (1867-1868)
Hammonton Item (1872-1877)
Mays Landing Record (1877-1906)
BERGEN COUNTY
Lyndhurst Leader (1928-1977)
CUMBERLAND COUNTY
Bridgeton West Jersey Pioneer (1852-1884)
Bridgeton Pioneer (1884-1917)
ESSEX COUNTY
Caldwell News (1892-1906)
Newark Evening Star and Newark Advertiser (1907-1912)
Nutley Sun (1900-1922)
South Orange Home News (1915-1922)
HUDSON COUNTY
Hoboken Advertiser (1878-1883)
Jersey City News (1889-1906)
MERCER COUNTY
Hightstown Village Record (1849-1861)
Hightstown Gazette (1880-1898)
Hopewell Herald (1881-1954)
Princeton Daily Princetonian (1876-1977)
Princeton University Weekly Bulletin (1913-1977)
Princeton Local Express (1935-1938)
Trenton Times (1883-1906)
Trenton Evening Times (1891-1922)
MIDDLESEX COUNTY
Carteret Press (1925-1965)
Cranbury Press (1886-1922)
Fords Beacon (1936-1960)
New Brunswick Daily Times (1871-1916)
New Brunswick Daily News Times (1878-1907)
New Brunswick Home News (1878-1916)
New Brunswick Daily Home News (1887-1909)
New Brunswick Times (1912-1916)
Perth Amboy Evening News (1903-1923)
South Amboy Citizen (1910-1977)
Woodbridge Weekly Register (1898-1902)
Woodbridge News (1899-1902)
Woodbridge Independent (1919-1939)
Woodbridge Leader (1926-1934)
Woodbridge Leader Journal (1934-1939)
Woodbridge Independent Leader (1940-1965)
Woodbridge Leader Press (1967-1970)
MONMOUTH COUNTY
Asbury Park Journal (1876-1901)
Belmar Coast Echo (1894-1923)
Long Branch Daily Record (1910-1914)
Manasquan Seaside (1877-1888)
Manasquan Coast Star (1910-1921)
Matawan Journal (1869-1973)
Neptune Ocean Grove Times (1875-1975)
Red Bank Register (1878-1977)
MORRIS COUNTY
Boonton Weekly Bulletin (1872-1923)
Chatham Press (1891-1922)
Dover Iron Era (1872-1905)
Dover Angler (1894-1922)
Dover Lake Hopatcong Breeze (1906-1922)
Rockaway Record (1899-1935)
OCEAN COUNTY
Toms River Ocean Emblem (1852-1864)
Toms River New Jersey Courier (1870-1922)
Tuckerton Beacon (1917-1922)
PASSAIC COUNTY
Paterson Het Oosten (1914-1936)
SOMERSET COUNTY
Bernardsville News (1897-1922)
Franklin News Record (1958-1977)
Middlebush Record (1948-1958)
Middlebush Franklin News (1954-1958)
Rocky Hill Kingston Daily Freeman (1892-1959)
UNION COUNTY
Cranford Chronicle (1894-1977)
Cranford Citizen (1898-1921)
Cranford Citizen and Chronicle (1922-1944)
Elizabeth Daily Journal (1904-1916)
Hillside Times (1949-1977)
Plainfield Gazette (1848-1851)
Plainfield Central New Jersey Times (1868-1880)
Plainfield Constitution (1868-1911)
Plainfield Constitutionalist (1868-1911)
Plainfield Evening News (1884-1894)
Plainfield Daily Press (1887-1917)
Plainfield Courier (1891-1894)
Rahway Advocate (1823-1885)
Rahway New Jersey Advocate (1823-1885)
Rahway National Democrat (1865-1968)
Rahway Weekly Advocate and Times (1878-1882)
Rahway Record (1913-1992)
Summit Record (1883-1923)
Summit Herald (1896-1977)
Westfield Leader (1907-1922)
WARREN COUNTY
Washington Star (1870-1923)
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Newspapers.com World Collection
ATLANTIC COUNTY
Atlantic City Gazette-Review (1873-1925)
Atlantic City Sunday Press Sunday Gazette (1891-1928)
Pleasantville Weekly Press (1892-1911)
BERGEN COUNTY
Cliffside Park Palisadian (1911-1916)
Garfield Guardian (1940-1963)
BURLINGTON COUNTY
Mount Holly News (1881-1919)
CAPE MAY COUNTY
Wildwood Five Mile Beach Weekly Journal (1898-1923)
CUMBERLAND COUNTY
Bridgeton Pioneer (1852-1917)
GLOUCESTER COUNTY
Woodbury Gloucester County Democrat (1878-1912)
HUDSON COUNTY
Bayonne Herald and Greenville Register (1870-1914)
Bayonne Times (1881-1928)
Bayonne Review (1913-1920)
Bayonne Evening Times and Bayonne Daily Times (1914-1918)
Bayonne Evening News and Bayonne Review (1920-1924)
Bayonne Evening News (1924-1928)
Hoboken Hudson County Democrat-Advertiser (1856-1889)
MERCER COUNTY
Hopewell Herald (1881-1954)
Trenton Evening Times (1891-1922)
MIDDLESEX COUNTY
New Brunswick Daily Times (1890-1899)
Perth Amboy Evening News (1903-1924)
MONMOUTH COUNTY
Atlantic Highlands Atlantic Highlander (1892-1918)
Atlantic Highlands Journal (1895-1954)
Freehold Monmouth Inquirer (1829-1860)
Freehold Monmouth Inquirer (1833-1933)
Freehold Monmouth Democrat (1834-1942)
Freehold Transcript and Monmouth Inquirer (1888-1964)
Keansburg News (1935-1953)
Keyport Weekly (1878-1972)
Keyport Enterprise (1885-1948)
Long Branch Record (1900-1910)
Long Branch Daily Record (1903-1975)
Manasquan Coast Star (1899-1922)
Matawan Journal (1869-1961)
Ocean Grove Record (1875-1899)
Red Bank Daily Standard (1852-1941)
Spring Lake Gazette (1923-1950)
MORRIS COUNTY
Chatham Press (1891-1983)
Madison Journal (1877-1882)
Madison Eagle (1882-1963)
Morristown Morris County Chronicle (1877-1914)
PASSAIC COUNTY
Paterson Messenger (1938-1963)
SALEM COUNTY
Penns Grove Record (1882-1923)
SOMERSET COUNTY
Bernardsville News (1897-1969)
WARREN COUNTY
Belvidere Apollo (1912-1919)
ATLANTIC COUNTY
Pleasantville weekly press (1892-1911)
Pleasantville press (1912-1927)
Ventnor City Ventnor News (1907-1926)
BERGEN COUNTY
Cliffside Park Palisadian (1906-1927)
BURLINGTON COUNTY
Beverly Banner (1880-1927)
Mount Holly News (1882-1886)
Mount Holly news (1891-1919)
CAPE MAY COUNTY
Wildwood Five Mile Beach Journal (1898-1906)
Wildwood Five Mile Beach Weekly Journal (1906-1923)
CUMBERLAND COUNTY
Bridgeton West-Jersey Pioneer (1852-1884)
Bridgeton Pioneer (1884-1917)
ESSEX COUNTY
Belleville Press (1890-1894)
Newark evening star and Newark advertiser (1909-1916)
GLOUCESTER COUNTY
Woodbury Gloucester County Democrat (1878-1912)
HUDSON COUNTY
Jersey City Sunday Morning News (1886-1891)
Jersey City News (1889-1906)
HUNTERDON COUNTY
Lambertville Record (1872-1926)
MIDDLESEX COUNTY
Jamesburg Record (1882-1904)
Jamesburg Advance (1883-1921)
Perth Amboy evening news (1903-1924)
MONMOUTH COUNTY
Freehold Monmouth weekly herald (1854-1860)
Freehold Monmouth Inquirer (1865-1926)
MORRIS COUNTY
Morristown Morris County chronicle (1877-1914)
PASSAIC COUNTY
Passaic City Record (1890-1907)
SALEM COUNTY
Penn's Grove Record (1882-1923)
Woodstown register (1871-1884)
Woodstown Monitor (1884-1892)
Woodstown Monitor-Register (1896-1926)
SOMERSET COUNTY
Peapack-Gladstone weekly exponent (1904-1926)
UNION COUNTY
Elizabeth Daily Monitor (1868-1875)