The Vintage Postcard Forum is a good source of postcard information with new content frequently added by forum members and is a place to ask questions about vintage postcards.
Some other sources for viewing postcards on the internet are flickr (pictures of postcards and postcard related things) and ebay (for buying or selling postcards).
General Postcard Websites
Blogs Featuring Postcards
Postcard Collections & Exhibits—Personal
Postcard Collections & Exhibits—Organization
Modern Postcards
Postcard Collecting Tips
Humor and Satire
Miscellaneous Postcard Related Websites
Website Design
General Postcard Articles & Websites
America As It Was—Directory of non-profit web sites that feature vintage postcards.Antique Trader Postcard Articles
eHow articles:
How to collect Vintage Postcards
How to Start a Postcard Collection
How to Start Collecting Postcards
How to Travel Back in Time with Vintage Postcards
Greetings From the Country—An article about the University of Washington Libraries Postcard Collection discusses how we can learn from and exhibit old postcards.
Heavy Metal Madness: Greetings from Big Letters USA —Curt Teich printing and large letter postcards.
"How To" Advice for Beginning PPC Collectors
Metropolitan Postcard Club of New York City—Lots of information on postcard history, terms, publishers, and topics.
Postcard (Wikipedia)
Postcard Collecting at 176th Street Antiques—Reasons to collect and a collector interview.
Postcard Pages—UK website operated by Postcard Traders Association.
Postcards Recall Memories of the American Road—From the National Postal Museum. Good article, but no pictures.
Postcard Resources—List of webpages dealing with postcards.
Postcard Web
Pretty as a Picture . . . Postcard—Some postcard history and description of printing process.
San Francisco Bay Area Post Card Club—General information, newletters, and links.
Story of the Golden Age of Picture Postcards—A pdf file of a 4 page essay from New York State Library
Vintage Postcard Collector Interview — From Collectors' Weekly
Vintage Postcard Passion: Collector Topics — On Squidoo.
Vintage Postcards—Dealer site has a good list of reference links and general information.
Webfooters Post Card Club (Portland, Oregon)—Collecting tips and newsletter archive.
Wish I Were There—Special Collections, The University of Texas at Arlington Libraries
Postcard Blogs
Blogs change frequently with new ones added and old ones abandoned. Many are listed on the blogroll at http://postcardy.blogspot.com/
Here a few others:
Ephemera/Postcards—Exploring the world of old paper, including postcards.
My Postcard Collection—A collection of Thai advertising postcards.
Worldwide Bridge Maximum Card Collecting
Postcard Collections & Exhibits—Personal
66postcards.com—Collection of postcards from"The Mother Road"Airline Postcard Database
Alexandria (Louisiana) Postcard Collection
Alameda Info—Postcards from Alameda, California and some other areas, mainly in California. Santa's Village, Drive Thru Redwood Trees, etc. Also Expo 67, New York and Seattle world's fairs of 1960s.
Boy Scout Postcards From the U.S.
Carte-Postale.com—Vintage postcards from France (English introduction)
Chicago History in Postcards
Chicago Postcard Museum
Chicago World's Fair—Century of Progress Exposition 1933-34
Chuckman's Collection (Chicago Postcards) Volume 01 — Includes links to many additional volumes of Chicago Postcards.
Cincinnati Views — A large (over 8,000) collection of vintage Cincinnati postcards
Comic Postcards—Tacky comics of the 1940's to 1960's.
Corkscrew Postcard Gallery
Cowboy Poetry Postcards
Cuban Postcard Museum (Hilda's)
Dimensions Gallery—Weight Gain and Fat comic postcards.
Diner Postcard Collection
Disneyland Postcards
Duluth Postcards
Easter Postcards from 1898 till Today—Cards can be viewed or sent as e-cards.
Family in a Shoebox—Researching a family from messages found on postcards in a shoebox bought at a yard sale.
Florida's Historic Courthouses
Fruit From Washington—Exaggerated Fruit and Novelty Cards
Historic Postcards of Women
Iowa State Fair Postcards
Japan Vintage Postcards
Library Postcards: Civic Pride in a Lost America
Mainzer Dressed Cat Postcards
Map Postcards Picture Galleries—U. K. (most). U. S., rest of the world
Mazaika Postcard Gallery Page —Many Soviet era Russian greeting postcards. The gallery page is part of a site devoted to photomosaics made using Mazaika software.
Motel Americana
Motel Postcards — Chrome postcards with interesting signs.
Mount Holyoke College Postcard Collection
My Grandmother's Postcards—Two collections: Greetings cards from an album, and 1920's to 1940's vacation postcards.
Old Minneapolis Postcards
Old Postcards from Brazil
Old Tokyo—Vintage Images From Japan
Park Postcards—Amusement and Theme Parks
Playing Card Themed Postcards
Postcard and Greeting Card Museum—An Internet museum of vintage and modern greeting cards
Postcard Birmingham
Postcards From Hamilton, Ontario
Postcards From the Edge of Good Taste—N.Y. Times article on tacky postcards, no pictures.
Postcards From the Front—Postcards sent by a WWI soldier to his children.
Propaganda Postcards of the Great War—War-themed postal cards produced during World War 1.
Restaurant Postcards (LILEKS) — Restaurants from the days before the big chains.
Rotograph—Study of postcards produced by the Rotograph Postcard Company.
Route 66 University—The Postcards & Artifacts section has an online collection of vintage Route 66 poscards.
Santalady's Antique Santa Post Cards
The American Motel—Vintage motels.
Union College Postcard Collection
U. S. Highway 90—Southern route roadside.
Walt Disney World a History in Postcards
Postcard Collections & Exhibits—Organization
Art of the Japanese Postcard—The Lauder Collection at MFA Boston.ArtUkraine.com Postcards—Many eras and types.
Californian-Pacific Exposition—San Diego 1935-1936.
Curt Teich Postcard Archives—World's largest public collection of postcards and related materials.
Dallas Heritage Village Postcard Collection
The Great War 1914-1918 —Emory University postcards and poetry from WWI.
Greetings From Milwaukee—From the archives at UWM libraries
Historic Postcards—Mainly holiday postcards from the collection at the Salem (OR) Public Library
Images of Asia - China, India, Pakistan, Japan, Philipines, Turkey, Myanmar, Afghanistan, Sri Lanka, Israel, Singapore.
The National Library of Russia Exhibitions—Articles on various subjects and eras on Russian postcards.
Panama-California Exposition—San Diego 1915-1916.
Postcards of Cleveland
Postcards of Ireland
The Postcards of Raphael Tuck & Sons—A large ongoing databse project
Postcards of the University of Michigan— History of the picture postcard, the architect's use of the postcard, and the collecting craze.
Princeton University Historical Postcard Collection
Rarely Seen Richmond
Southwest Colorado Collection
Tall Tale Postcards
UCM Museum—"Louisiana's Most Eccentric Museum" has several postcard exhibits including U.S. Highway 90
University of Delaware Library Postcard Collection
