Data Research, headquartered in St. Louis, Missouri, USA, is a leading provider of client/server automation systems, networking services and other related services for libraries and other information providers. This page includes free access to a demo library, which includes the Library of Congress Basic Machine Readable Cataloging (MARC) Service (contains over 5 million records.) Users can also access financial data and SEC filings from DRA, as well as press releases and worldwide contact information.