Bibliotheque nationale de France - online collection database
British Museum - online collection database
German Archaeological Institute - online collection database
Living Torah Museum - online collection
Metropolitan Museum of Art - online collection database
Museum of Fine Arts, Boston, Antiquities - online collection database
Walters Museum - online collection database
AAA - Appraisers Association of America
AADLA - Art and Antique Dealers League of America
ADCAEA - Association of Dealers and Collectors of Ancient and Ethnogrphic Art
CINOA - Confederation Internationale des Negociants en Oeuvres d'Art
Committee for Cultural Policy - Supporting museums, art collecting, arts education, and a balanced cultural policy.
IADAA - International Association of Dealers in Ancient Art
Stolen Antiquity Database
Art Loss Register - The International Art Loss Register - database of stolen and missing artwork
List of Important Antiquities Reported Missing from Egyptian Museums - University of Pennsylvania list of objects known to be missing from the Egyptian Museum and other sites.