Hitchins, Alfred B.Materia photographicaA dictionary of the chemicals, raw materials, developing agents and dyes used in photographyPhiladelphia, PA; Chambers 1924Online editions:hdl.handle.net/2027/uva.x002470847books.google.com/books?id=dgZRAAAAYAAJLanguageenglishKeywordsPhotochemistryUniform titleMateria photographicaAuthority Data (Author)VIAF: 98808508