Photographer Nicephore Niepce
Dedicated to the History of Photography from its origins by French scientist and inventor Nicephore Niepce. Niepce discovered the process known as Heliography.

Photica Project
Contains information and articles on historical photographers and groups.

American Museum of Photography
Covers daguerreotypes to modernism. Research center features a guide early photo processes, book reviews and information on preserving/protecting valuable photographs.

City-Gallery.com
Information on photography, family photographs and images, and genealogy. Focus is on 19th century photography.

Arab Foundation for the Image
A non-profit association that collaborates with Elysée Foundation in Lausanne to promote photography in the Middle East and the North Africa by locating, collecting and preserving the photographic heritage of that region.

Central Pacific Railroad
Has a photographic history museum; also stereoviews of the first transcontinental railroad.

Women in Photography Archive
Focuses on the role of women in photography. Includes essays on women photographers and an online gallery.

Midley History of Photography
Presents essays by R. Derek Wood on the history of early photography, the daguerreotype and diorama.

Bob's Photo Page
Contains a brief history of photography, profiles the development of modern photography, and has biographies of early photographers.

A History of Photography
Contains an extensive history, from earliest times to the 1920s. Includes information on all significant photographers with biographical data.

Georgian Museum of Photography
Virtual museum of images from photography, including portraits, architecture, cultural and historical monuments.

Photographs: The Metropolitan Museum of Art
Images, history, and technical information about their extensive collection of photographs.

Collodions and Clopinettes
Articles by Pierre G. Harmant, Paul Marillier, R. Derek Wood, and Jacques Roquencourt on Niépce, Daguerre, and other pioneer photographers.

Tbilisi House of Photography
Georgian photography.

Albumen Photographs
Presents the art and science of albumen printing, contemporary research, conservation and treatment of images.

Infocus Heritage Research
Monthly articles centred around the subject and use of historical photographs are provided.

Chronophotographical Projections
The history of chronophotography and photographers is located here.

Cut & Paste - A History Of Photomontage
Covering the artists involved in photomontage in the Berlin Dada movement, 1980s politics, and the present day.

Magic Lanterns
Description of the medium plus information on optical systems, components, lanterns types and slide identification.

Pinhole Photography
History of pinhole photography, including theory and construction details.

Tintypes and Daguerreotypes
Article defines what tintypes and daguerreotypes are, the history of the processes, the sizes they came in, and the years they were popular.

History of Photography Timeline
A detailed timeline of photography from ancient times to the present.

Painting and Photography
Some notes on the history of photography, mostly concerning the relationship between painting and photography.

Photo Revue
All about Czech and Slovak photography, history, theory, reviews, profiles.

Photography in the 1840s - About Photography
Comparing the Calotype and the Daguerreotype, the first Welsh photograph, Irish pioneers, and French advances in the art of photography.

Latin American Photography 1840-1920. M & M Cuarterolo's Collection
Large selection of early images of Argentina and other Latin American countries and information on the photographers active in the region between 1840 and 1920.

The Big Six Portrait Photographers
Monographs on six professional portrait photographers from the turn-of-the-century.

Finding Photographers
A worldwide index of the books and websites that list photographers and when they worked.

The Weston Exposure Meter Site
Site dedicated to the Weston Exposure Meter from the earliest days to the Euromaster 3. Includes Photos, information and instruction books, and history of the company and its founder.

About Photography: Nudes 1920-1940
Consists of on the history of nude photography from 1920 to 1940, emphasizing the roles of the famous master photographers. No images.

Lafayette Negative Archive
Catalogue of vintage photographs made by the Lafayette studio of London, containing images made between 1887 and the 1930s, categorized by subject. Has explanatory articles.

Historic Photo Archive
Kodachrome dating guide for vintage slides.

Index of UK photographers up to c1950
Indexes and links for UK photographers, county by county, for the 19th and early 20th century.

The Magic Mirror of Life: An Appreciation of the Camera Obscura
Many facets of the camera obscura (dark room); the origin of the photographic camera, its place in art, culture and education,vintage instruments,images, photographs, and working camera obscuras are included.

Anima
Articles and GIF and Flash animations relating to optical toys, chronophotography (Muybridge, Marey, and others), and pre-cinematography of the 19th century.

Early Visual Media
History of visual Media, photography pre-cinema prestidigitation danse macabre optical illusions.

Cuarterolo Archive
The Cuarterolo archive is an image bank focused on 19th century Argentine and Latin American photography that houses over 5000 historic photographs.

Mathew J. Steffens
Steffens was THE photographer to Chicago's first "Gold Coast" residents...the richest of the rich. Commodore Steffens, as he was known because of his steam yachting and yacht club presidency, was one of Chicago's foremost society photographer from 1872 to the 1910's.

Bosse, Henry Peter: Photographs of the Mississippi River
Collection of Bosse's photographs of the Mississippi (1883-1892) with an essay by Michael Conner who rediscovered his photographs in the 1980s.