Gravell, Thomas: A Catalogue of American Watermarks 1690-1835. New York, Garland 1979. Hardback. Green cloth. 28,5 × 22 cm. 230 pp.

A study and comprehensive checklist of the watermarks used by American papermakers through 1835. Profusely illustrated with 734 reproductions. Has profiles of 200 papermakers and a bibliography of works on American watermarks, paper mills and paper history.