Richmond Times-Dispatch and its preceding papers available online from 1850--1922 via Chronicling America (see entry below) as Daily Dispatch, 1850--1884; Richmond Dispatch, 1884--1903; Daily Times, 1886--1889; Times, 1890--1903; Times-Dispatch, 1903-1914, Richmond Times-Dispatch 1914-1922.
Chronicling America (1789--1963; dates vary for selected papers; most prior to 1923)
Based at the Library of Congress, this is an online newspaper collection millions of pages; includes several Virginia,newspapers including the Richmond Times-Dispatch and its predecessors, and several DC newspapers.
Ashland Herald-Progress - microfilm, 1919--2018, no index.
[Ashland] Herald Progress (1919-1963) - online through Chronicling Virginia (Library of Virginia)
Richmond Christian Advocate - microfilm, 1869--1939, index on first reel of microfilm; 1869-2010 in Special Collections & Archives.
Richmond Daily Dispatch (1860--1865)
Electronic full-text access to primary Richmond newspaper during the Civil War years.
Virginia Gazette Online - 1736--1780, some known issues missing from the online version (digitized by Colonial Williamsburg Foundation). Also available in Accessible Archives database (see below).
Birth of America - microfilm, 1763-1783, various newspapers; index volume at Ref. E187 .J65
Most Accessible Archives subject collections include newspaper content from the colonial era through the early 20th century.