ADAM, the Art, Design, Architecture & Media Information Gateway
http://adam.ac.uk/
A searchable catalog of internet resources selected by librarians for the benefit of the UK Higher education community.

AIA Library
http://aia.org/library_default
The American Institute of Architects library has a link to its online catalog and the Architect Finder.

American Architectural Survey
http://www.brynmawr.edu/Acads/Cities/imgb/digcapt5.html
A collection of American architectural photographs covering the period, 1600-1976, relating to Bryn Mawr's Architectural Design in the Cities Program.

Archinform
http://archinform.net/
International architecture database produced in Germany (some text in English). Covers 12,000 projects, built and unrealized, primarily from the 20th century. Person, location, and keyword searching. Excellent for images.

Architecture - Wikipedia, the Free Encyclopedia
http://en.wikipedia.org/wiki/Architecture

Architecture.com
http://www.architecture.com/go/Architecture/Home.html
Royal Institute of British Architects (RIBA) site. Includes categories for architects, awards and events, buildings and projects, education and research, historical and geographical works, museums and galleries, and more.

Art Historical Images of Sculpture and Architecture from Pre-Historic to Post-Modern, Bluffton University
http://www.bluffton.edu/~sullivanm/
A collection of images from around the world. Featured sites are listed first, then links to mnay other images. Chronological and Artists/Architects indexes.

Building Code of the City of New York
http://www.nyc.gov/html/dob/html/reference/code_internet.shtml
The edition available here updates the Building Code to October 1, 2004. Local Laws may have been adopted by the City Council which have amended this code and therefore are not included in this version.

Getty Vocabulary Program (Research at the Getty)
http://www.getty.edu/research/conducting_research/vocabularies/
The Getty vocabulary databases are produced and maintained by the Getty Vocabulary Program. They contain terms, names, and other information about people, places, things, and concepts relating to art, architecture, and material culture.

Great Buildings Collection
http://www.greatbuildings.com/
Gateway to architecture around the world and across history documenting a thousand buildings and hundreds of leading architects, with 3D models, photographic images and architectural drawings, commentaries, bibliographies, web links, and more, for famous designers and structures of all kinds.

Historic American Buildings Survey
http://memory.loc.gov/ammem/collections/habs_haer/index.html
Achievements in architecture, engineering, and design archived by the National Park Service, the Library of Congress, and the private sector with drawings, photographs, and written histories dating from Pre-Columbian times to the twentieth century.

IAWA Guide to the Collections at Virginia Tech's Digital Library and Archives
http://spec.lib.vt.edu/IAWA/guide.html
The International Archive of Women in Architecture documents the history of women's involvement in architecture.

Kidder Smith Slide Archives on American Architecture at MIT
http://libraries.mit.edu/rvc/kidder/architects.html
A digitized image collection documenting ten centuries of architecture in the United States (to 1978). Includes Site Name, Architects, and Geographical Indexes.

New York City Buildings: Research guide
http://www.columbia.edu/cu/lweb/indiv/avery/nycbuild.html
Avery Architectural & Fine Arts Library, Columbia University, guide to researching New York buildings.

New York City Map Portal
http://gis.nyc.gov/doitt/mp/Portal.do
Provides access to New York City address level data and maps (from nyc.gov). Find building, property, and community information, as well as neighborhood statistics.

NYPL, Researching an Architectural Structure
http://www.nypl.org/research/chss/spe/art/artarc/archit/arch.html
New York Public Library's guide to architectural research strategies.

Property Shark
http://propertyshark.com/mason/
Contains consolidated NYC property records, giving owner, title history, square footage, sales information, zoning, taxes, violations, permits, etc. Maps and building photos included.

Royal Institute of British Architects. Architecture Links on the Web
http://members.riba.org/library/rlinks.htm

SAH, Society of Architectural Historians
http://www.sah.org/index.php?module=ContentExpress&file=index&func=display&ceid=38&meid=14&POSTNUKESID=5a996778f2466c48c5e8ab06c6e6d5f8
Resources page has links to "Brief Biographies of American Architects" and other information resources.

SPIRO, Architectural Visual Resources Library Image Database
http://www.mip.berkeley.edu/spiro/
Slide and Photograph Image Retrieval Online, the Architecture Visual Resources Library, University of California, Berkeley's online catalog and image database.

The Skyscraper Museum
http://www.skyscraper.org/
Includes VIVA, the Visual Index to the Virtual Archive of The Skyscraper Museum. Over 2000 historic photographs, postcards, and other images are available via an interactive 3D map of Manhattan.

UC Berkeley Environmental Design Library’s Guides to Architectural Research
The Environmental Design Library is one of the premier architecture, landscape architecture, and city and regional planning libraries in North America.

List of guides to resources in the UC Berkeley libraries and on the web
http://www.lib.berkeley.edu/ENVI/Guides.html

List of selected internet sites, gateways and organizations relevant to architecture
http://www.lib.berkeley.edu/ENVI/Gateway.html

Links to electronic journals
http://www.lib.berkeley.edu/ENVI/Ejrnls.html

Strategies for locating resources that provide views, plans, sections, elevations, and/or details of important buildings and sites
http://www.lib.berkeley.edu/ENVI/pict.html#Internet

University of Washington Digital Collections: Cities and Buildings Database
http://content.lib.washington.edu/buildingsweb
A collection of 5000 images of buildings and cities drawn from across time and throughout the world. The selection of buildings isn’t very wide, but those included are covered comprehensively.