Resources for Research in American literature

General resources

American Authors on the Web
American Studies at the University of Virginia
Our Americas Archive Partnership
Oxford Bibliographies for American Literature
Bibliography of American Literature
Merriam and Webster Dictionary
Early Americas Digital Archive
Digital Dictionary of American Regional English

Resources at Cambridge University Library

African-American Poetry
American Drama
American National Biography
American Periodicals
Early American Fiction
Oxford African American Studies Centre
Oxford Bibliographies: Atlantic History
Twentieth-Century African-American Poetry
Twentieth-Century American Poetry

Library of Congress

American Memory 
Exhibitions
National Union Catalog of Manuscript Collections

Other libraries and institutions

American Antiquarian Society
Harvard Theatre Collection
Library Company of Philadelphia
Massachusetts Historical Society
Newberry Library, Chicago
New York Historical Society
New York Public Library
Smithsonian Institute
The Eccles Centre (British Library)
Rothermere American Institute (Oxford University)

Professional associations

American Literature Association
British Association for American Studies
Network of American Periodical Studies
Modern Language Association
American Comparative Literature Association
Modernist Studies Association
Post45