The Getty Provenance Index® has added 138,000 database records of art sales from the 1600s and 1700s, including the earliest known catalog published in Britain. This brings the cumulative Databases holdings to more than 1.7 million records taken from source material such as archival inventories, auction catalogs, and dealer stock books. Quantity and scope of available research material varies by region, period, and type of document, and records are continually expanded and enriched on a regular basis. Visit Search the Getty Provenance Index® Databases for more information.