History: A Guide to United States Historical Research
Hathi Trust Digital Library
JHU's membership in the Hathi Trust Digital Library allows searching full text of recent copyrighted materials as well as pdfs of older public domain works. Very useful!
Beyond JHU
- Center for Research Libraries CatalogThe CRL catalog consists of the online public access catalog (OPAC) of the Center for Research Libraries in Chicago, Illinois, which collects research materials not targeted by other North American research institutions. Tabbed sections include basic and advanced search, search tips, and advice on requesting materials.
- WorldCatSearch all US and many European research libraries