The links below will direct you to the Library of Congress Online Catalog records for various art auction catalogs, including Sotheby's and Christie's.
Catalogue of Auction by Christie's Review of the Year by American art auction catalogues, 1785-1942; a union list. by Antiquariatskatalog. Auktion. by Auktion. Teil I, Alte u. neue Kunst. by Catalogues & Sales by Catalogues of sales, chiefly of private collections. by Catalogues of sales, chiefly of private collections] no. 3776-4459. by Sales. by The complete title index of 26,000 volumes of sales, exhibitions, and salons in the Knoedler Library on microfiche by 
