20th Century American Architecture & Interior Design.
The Gottscho-Schleisner Collection is comprised of over 29,000 images primarily of architectural subjects, including interiors and exteriors of homes, stores, offices, factories, historic buildings, and other structures. Subjects are concentrated chiefly in the northeastern United States, especially the New York City area, and Florida. Included are the homes of notable Americans, such as Raymond Loewy, and of several U.S. presidents, as well as color images of the 1939-40 New York World's Fair.

ADA and ABA Accessibility Guidelines for Buildings and Facilities.
Official Site of the United States Access Board a federal agency committed to accessible design.

Color Matters.
This site explores how color affects appetite, vision, energy conservation, and its relationship to architecture and interior design.

Founders Of The Arts & Crafts Movement 1870 - 1900.
An anthology of writings on interior design by William Morris and his contemporaries, with information about the early years of the Arts & Crafts Movement in England and America.

Great Buildings Collection.
This site includes architecture from around the world and across history. It documents a thousand buildings and hundreds of leading architects, with 3D models including detailed interior/exterior models complete with furnishings and landscaping, photographic images and architectural drawings, commentaries, bibliographies, web links, and more, for famous designers and structures of all kinds.

Interior Design Directory.
Claims to be an "Interior Design and Feng Shui Megasite." Includes product information, news articles, and more.

Interior Design Link.
Contains links to interior design professionals, jobs, and schools nationwide, as well as articles. Offers a state-by-state listings or is searchable by zip code and city.

Interior Design Magazine.
Online version of the popular magazine. Includes information on new products, schools, books, and more.

Interior Design Scholarships.
Includes guidelines and application instructions.

Interior Design Schools Search.
Search by region, course, and degree to get detailed information interior design schools.

International Interior Design Association.
"The International Interior Design Association (IIDA) is a professional networking and educational association of more than 10,000 Members in eight specialty Forums, nine (9) Regions, and more than thirty (30) Chapters around the world. IIDA is committed to enhancing the quality of life through excellence in interior design and advancing interior design through knowledge. IIDA advocates for interior design excellence; provides superior industry information; nurtures a global interior design community; maintains educational standards; and responds to trends in business and design."

Internet Resources for Interior Design.
From the University of Ulster (Ireland) Library, this site provides a "basic list of resources relating to interior design available via the Internet. This is not a comprehensive list but is intended to help you begin exploring the Internet."

Old House Journal Online.
Includes sections on restoration how-to, new products, product literature, historic house plans and more.