The following institutions have contributed to the Getty Research Portal:

Advising Contributors

Avery Architectural & Fine Arts Library at Columbia University
Frick Art Reference Library
Getty Research Institute
Heidelberg University Library
Institut national d'histoire de l'art

Contributors

Biblioteca de la Universidad de Málaga
Brooklyn Museum Libraries and Archives
Kunsthistorisches Institut in Florenz
Library of the Philadelphia Museum of Art
National Gallery of Canada Library and Archives
New York Art Resources Consortium (including the Brooklyn Museum and the Museum of Modern Art)
Smithsonian Libraries
Sterling and Francine Clark Art Institute
Thomas J. Watson Library at the Metropolitan Museum of Art