Materials compiled by the Maryland Writer's Project of the Works Progress Administration in creating a comprehensive travel guide to the state, published in 1940. Includes correspondence, chamber of commerce questionnaires, reports, histories, catalogues and brochures, park folders, tour lists, field notes, maps, historical fact sheets, newspaper articles, newsletters, index cards of counties, research materials, galley proofs, rough drafts for articles, and photographs. Also includes additional materials compiled for a revision of the guide, published in 1976. Arranged by subject or county. Series not fully processed.