Carl Mautz Publishing
John Saddy Jefferson Stereoptics
CPRR Photographic History Museum
National Stereoscopic Association
The Stereoviews of Carleton Watkins
The Daguerreian Society
19 Century Photography Paul Frecker
Stereoviews.com
Jeremy Rowe Vintage Photography
Center for Civil War Photography
Medhurst & Co. Fine Images & Documents
Greg French Early Photography
Museum Quality Americana
The Library of Nineteenth-Century Photography
The London Stereoscopic Company
Modern Day Antiques-Beautiful Image Cases
Nigel Maister’s foundphotographs.com
Silver Shadows
19thcentury-photography.com
Colleenwoolpert.com