- Harvard’s History of Photography TimelineHarvard’s History of Photography Timeline offers a view into the history of photography through selected photographs in the University’s libraries, museums, and archives. Harvard holds nearly 10 million photographs that have served as primary source documents for teaching and research in the sciences and humanities since the mid-nineteenth century. The timeline highlights the strengths of Harvard’s collections, which document an encyclopedic range of subjects and include the work of noted nineteenth- and twentieth-century photographers.
- Image Permanence Institute: Graphics AtlasGraphics Atlas is a sophisticated resource that presents a unique, object-based approach for the identification and characterization of prints and photographs.
- Met’s Heilbrunn Timeline of Art HistoryThe Met’s Heilbrunn Timeline of Art History pairs essays and works of art with chronologies, telling the story of art and global culture through the Museum’s collection.
- NYPL: Photographers’ Identities Catalog (PIC)Photographers’ Identities Catalog (PIC) is an experimental interface to a collection of biographical data describing photographers, studios, manufacturers, and others involved in the production of photographic images. Consisting of names, nationalities, dates, locations and more, PIC is a vast and growing resource for the historian, student, genealogist, or any lover of photography's history. The information has been culled from trusted biographical dictionaries, catalogs and databases, and from extensive original research by NYPL Photography Collection staff.