Advertising of Installment Plans During the 1920s 
Paper examines how American business used advertising in the 1920's to convince consumers to buy on installment.
http://etext.lib.virginia.edu/journals/EH/EH37/Murphy.htmlJohn W. Hartman Center for Sales, Advertising & Marketing History
The Center collects, organizes, and provides access to a vast collection of textual and multimedia resources for the student, scholar, and businessperson.
http://scriptorium.lib.duke.edu/hartman/
HarpWeek Presents 19th Century Advertising
Images and articles about advertisements that appeared in Harper's Weekly.
http://advertising.harpweek.com/
Advertising Museum from Ace Novelty Promotional Products
This online museum has advertising of old posters, billboards, magazine and newspaper from the 19th and 20th centuries.
http://www.halcyon.com/donace/MUSEUM.HTM
The Ephemera Society of America, Inc.
A non-profit organization devoted to furthering the collection, study, and preservation of ephemera, including advertising trade cards and related advertising forms.
http://www.ephemerasociety.org/
Philip H. Dougherty Remembered
Tribute to Philip H. Dougherty the Advertising Columnist of the New York Times for over twenty years. Video interviews with peers and samples of radio broadcasts.
http://www.postlit.com/phd
Ad*Access Project
Provides access to digital images print advertisements published primarily in the United States and Canada between 1911 and 1957.
http://scriptorium.lib.duke.edu/adaccess/
Ghost Signs
A short history of those fading yet fantastic old advertising images on brick walls and barns sometimes called ghost signs.
http://www.livinggoldpress.com/ghost.htm
Adflip
Searchable archive of classic automobile and other ads from the 1940's through 1990's. Offers link services to each ad from client's web site.
http://www.adflip.com
Truth in Advertising
A growing collection of pre-1960's print tobacco and cigarette advertising.
http://www.chickenhead.com/truth/index.html
Emergence of Advertising in America: 1850 - 1920
Covering the early history of advertising in the United States, and drawn from the Rare Book, Manuscript, and Special Collections Library at Duke University.
http://scriptorium.lib.duke.edu/eaa/index.html
Coca-Cola Television Advertisements
Collection of historic advertisements donated by the Coca Cola corporation to the Library of Congress. Videos available in RealPlayer, QuickTime, and MPEG formats.
http://memory.loc.gov/ammem/ccmphtml/colahome.html
History of Advertising Trust
Preserves the best of British advertising for posterity. Site contents include an archive of work and current exhibition details.
http://www.hatads.org.uk/
