Architectural Archives websites listing.
Artists' Papers Register: "A location register of the papers of artists, designers and craftspeople held in publicly accessible collections in the United Kingdom and Ireland.
Endangered Archives Project. "The programme's aim is to contribute to the preservation of archival material that is in danger of destruction, neglect, or physical deterioration world-wide." Copies of preserved archives will be maintained in the British Library.
Ryerson & Burnham Archives at the Art Institute of Chicago. Collections strong in 19th and 20th century American architecture.