Cyanotypes - A concise and informative description of the cyanotype process.
Daguerreian Society - Dedicated to the history, science, and art of daguerreotype.
Gryspeerdt, Norman - Bromoil prints, a bromoil video and information on the bromoil process and its history.
Gum Bichromate Photography - Gum bichromate technical information, detailed resources, images, links to European and French sites, and material sources in the UK and Europe.
Photoconvergence - An educational resource for a variety of photographic techniques and ideas, specifically oriented towards alternative and hybrid photographic processes. Includes an artist gallery, downloads, resources, and links to other sites.
Renaissance Press Photogravure Atelier - Renaissance Press, a fine art atelier specializing in photogravure platemaking and printing, offers an on-line gallery of numerous artist using this technique.
Scully & Osterman - Wet-plate collodion artists and publishers of The Collodion Journal, quarterly. They give workshops through the George Eastman House as well as private tutorials.
Taking pictures with blueprint paper - Taking pictures really cheaply using bludeprint paper and an old polaroid land camera. Produces sharp paper positives, with a neat mystical look to them.