Collectors.Org
Official web site for the National Association of Collectors.
Curioscape
Ebay
Kovels On Line
Maloneys Online

Southern California Auction Houses and Appraisal Services
Bonhams and Butterfields
Christies
Sotheby's

Architecture
Accessibility Guidelines and Standards Index
Architect's Index
Index of famous architects.
California Architect's Board
Includes California architects' license information.
Great Buildings Collection
Architecture around the world and across history. Search by architect, building or place.
Historic American Building Survey
Achievements in architecture, engineering and design in the United States.
National Register of Historic Places
Places listed in or determined eligible for the National Register of Historic Places.
National Trust for Historic Preservation
Nonprofit organization which promotes the preservation of historic buildings and neighborhoods.
Society of Architectural Historians Net Resources
Excellent list of architectural web sites.
Vitruvio.ch
Index of architects, periods of architectural history.

Art
Art Galleries and Museums
Art Scene
Guide to art galleries and museums in Southern California.
The Getty Museum
The Huntington Library
Los Angeles County Museum of Art
The Museum of Contemporary Art
The Norton Simon Museum
National Museums

Art Resources
Artcyclopedia
Index of 7,500 artists' works which are displayed online.
Art History Resources on the Web
Hundreds of links to the art of all time periods.
ArtSource
Resources on art and architecture.
Mother of All Art and Art History Link Pages
Index to art history web sites.