19th Century Masterfile

19th Century U.S. Newspapers

America: History & Life

America: History & Life (EBSCOhost)

American State Papers

Arts and Humanities Citation Index

Chicago Tribune (ProQuest Historical Newspapers)

Early English Books Online

Eighteenth Century Collections Online

Historical Abstracts

Historical Abstracts (EBSCOhost)

History Cooperative Journals

Humanities Full Text

International Medieval Bibliography (IMB)

Iter Bibliography

Iter Italicum

JSTOR

Monumenta Germaniae Historica Online

New York Times (ProQuest Historical Newspapers)

Periodicals Archive Online (PAO) (formerly PCI Full Text)

Periodicals Index Online (PIO) (formerly PCI Full Text)

Project Muse

Royal Historical Society Bibliography (free)

The Times Digital Archive

U.S. Congressional Serial Set

Wellesley Index to Victorian Periodicals 1824-1900  (CD-ROM)