Radio Boys
An article by James D. Keeline about the series of juvenile novels written by several ghostwriters under the pen name of "Allen Chapman" and others in the 1920s. Includes images of original covers.
http://www.keeline.com/Chapman/

Vintage Radios and Programs
Resource for collectors and fans of antique radios, military surplus radios, tube radios, valve radios, Collins, Atwater Kent, Hammarlund, Hallicrafters and Crosley radios, and telegraph key collections. Stars and programs from the golden days of radio are featured.
http://www.compusmart.ab.ca/agirard/VINTAGE.HTM

Antique Radio Page
Don Adamson's photo galleries and information on sets from the 1920s to the 1960s. Informative articles include one on how to build a linen diaphragm speaker.
http://members.aol.com/djadamson/arp.html

Antique Radios Online
A site for collectors and restorers of vintage and collectible radios. On-line forums, resources, and chat, supported by a dedicated and experienced membership.
http://antiqueradios.com/

Vintage Radio and Audio Pages
Brian McAllister's restoration resources, in the form of high-resolution GIF images of service notes and schematics for many radios, audio amplifiers and preamplifiers, phonos, and tuners. He has a special section for several German radios (Grundig and Telefunken).
http://oldtech.net/

NJ7P Tube Database
Base diagrams, characteristics, and outlines for thousands of vacuum tubes, provided by Bill Beech's Ham Radio Server.
http://www.nj7p.org/cgi-bin/tube/

The Rise of the Bakelite and Catalin Radio in the US During the 1930s
A text-only article by Louis Vloedbeld on the background and development of bakelite and catalin radio designs.
http://www.let.uu.nl/ams/xroads/bake-2.htm

TransOceanic Resource Library
Photos, schematics, alignment data, model specs, and a directory of links for Zenith TransOceanic Long Distance radios.
http://www.transoceanic.nostalgiaair.org/

Ad*Access
The "Radio and Television" subcategories, with a large collection of vintage print advertisements dating from the '20s to the '50s. Each image is scanned in color, at 72 and 150 dpi resolutions, and they give information about the source publication.
http://scriptorium.lib.duke.edu/adaccess/subcat-rtv.html

Antique Radio Webring
Web sites about collecting, buying, selling, and trading vintage and antique radios.
http://o.webring.com/hub?ring=antiqueradio

Nostalgia Air
Large free online resource for antique and vintage radios, with over fifty thousand pages of scanned Riders schematics, service manuals, tube cross reference, articles, and forums.
http://www.nostalgiaair.org/

Terry's Vintage Home Entertainment Technology
Discussion of home entertainment technology of the past century. Photos and restoration notes are provided for his "Scott Imperial High-Fidelity Allwave 23", and "RCA Radiola Superheterodyne Second-Harmonic AR-812".
http://www.geocities.com/tysye/

Worldwide Vintage Wireless Database
Mainly UK and North American sets from the 1920s to the 1960s. Picture galleries include thousands of photographs of radios, devices (valves or tubes) and device boxes.
http://www.classaxe.com/wireless/

The Philco Repair Bench
Chuck Schwark provides many resources for the Philco radio collector and restorer, ranging from parts cross-references, to service information on some of the more obscure features such as the "Beam-Of-Light" tonearm pickup, and an identification guide for early cathedral models.
http://www.philcorepairbench.com/

Radiobau-Zehetner
Austrian radio history, with a profile of Eng. Franz Zehetner (1907-1986) and his radio and television products, with photographs and advertising copy. [Mostly German, but with some English text]
http://www.radio-zehetner.at/

Gollum's Crystal Receivers
The history and theory of crystal receivers. Vintage and modern kits, pictures, and links.
http://www.oldradioworld.de/gollum/

Philco Simplex Radio History
Features a brief profile of the company formerly located in Sandusky, Ohio. Includes photos of the plant site and a few models from the production line.
http://www.firelandsradios.com/Philco/

RNW Antique Radio
Links to antique and old-time radio sites throughout the world, compiled by Radio Netherlands.
http://www.radionetherlands.nl/features/media/links/antiqueradio.html

Silver, Sounds, and Stuff
An archive of over 1000 photos of antique radios, information on future and past club meetings and auctions, and reference material for repairing old sets.
http://www.antique-radios.net/