Abraham Lincoln Book Shop	specializing in Lincoln collectables in Chicago, IL
The American Experience: The Wizard of Photography	biography of George Eastman; with Mark Osterman demonstrating collodion process

Afterimage	The bimonthly journal of media arts and cultural criticism, Visual Studies Workshop, Rochester, NY

AIPAD	Association of International Photography Dealers
Alternative or Historic Photographic Process sites	AlternativePhotography.com - galleries, articles, workshop listings, technical information and more... Austin Alternative Process Group The Daguerreian Society "Unblinking Eye"

Frederick Scott Archer	Sean MacKenna's website dedicated to the inventor of the collodion process [in the U.K.]

Artcraft Chemicals, Inc.	full range of photographic chemicals

Alan Bekhuis Cases	traditional 19th c. methods to create authentic enclosures for hard images (ambrotypes and daguerreotypes) in standard sizes.

The Julia Margaret Cameron Trust	Cameron's House and Museum

Cooke Optics	photographic lenses

George Eastman House	International Museum of Photography and Film in Rochester, New York
George School	Private boarding school where Mark taught for 20 years, located in Newtown, PA; run by the Society of Friends (Quakers) read comments about Mark as a photography teacher
The Egg	PBS show on the arts; features Sally Mann, her work and the collodion process

Howard Greenberg Gallery	fine art photography gallery, 41 East 57th St, NYC

Photo Review	photography magazine with critical reviews
Lea's Manual of Photography	19th c. manual; text available on-line

Maison Niepce	Home of the inventor of photography [Nicephore Niepce] in Burgundy, France; offer workshops in historic processes.

Papillon Press	Custom ambrotype and print cases located in Andover, New Jersey.
Photographer's Formulary	chemical sales and workshops in Montana

Segura Publishing	photography publisher and gallery in Mesa, Arizona

White Room Gallery	photography gallery in West Hollywood, CA

p e o p l e:

Ryan Boatright	artist/photographer and research scientist at Image Permanence Institute

Waldemaro Concha	wet-plate photographer in Yucatan, Mexico. website is in Spanish, and includes descriptions of collodion process.
Ron Cowie	Portraits/ fine art photography / specialty in platinum
Will Dunniway	wet-plate collodion photographer, specializing in living history events and lansdcapes

Wayne Pierce	wet-plate collodion photography, civil war and living history events, located in California.
	makes camera equipment and conversions
Bob Szabo	wet-plate collodion photography, including civil war reenactments. Bob also runs the collodion forum.

Bill Westheimer	fine art / commercial photographer (including collodion) in West Orange, NJ
Dr. Wilson's Memory Elixir	medicine show revival; features web page of history of Dr. Bumstead's Celebrated Lenape Liquid (a.k.a. Mark Osterman)