http://www.christies.com
Comprehensive guide to more than 200,000 lots, including vintage and
modern photographs, sold at auction at Christie's worldwide. Features
include 3D multimedia viewing capabilities; online absentee bids for all live
photographs auctions; and virtual reality tours of photography exhibitions.

http://www.sothebys.com
Presented by ebay. Continuous on-line auctions of fine and rare photographs,
incl 19th-century, modern and contemporary works. Special theme sales
conducted monthly. The authenticity, condition, and delivery of all items are
guaranteed by Sotheby's and its Associate Dealers.

http://www.be-hold.com
Adventurous images for almost 20 years, daguerreotypes to mid-20th Century.
Catalog & bidding now on-line as well as off. Color scans, prices, services.
3 auctions/year, $45 to $25,000.

http://www.swanngalleries.com
19th- and 20th-century photographs and photographic literature offered in New York.
Auction schedule, newsletter, catalogues and prices realized online.

ON COLLECTING

A SHORT HISTORY OF PHOTOGRAPH COLECTING
http://www.peneloped.com

by Penelope Dixon.

IPHOTOCENTRAL - COLLECTING
http://www.iphotocentral.com

Collecting issues and resources from iphotocentral.