Van Nuys, Calif.: J. E. Reynolds, Bookseller, 1956. 8vo. Wraps. Unpaginated. Powell's introduction to this antiquarian bookseller's catalogue which contains 36 items by Dobie (out of a total of 385). 
Designed by Ward Ritchie. Santa Barbara, Calif.: Capra Press, (1984). 8vo. Cloth-backed boards. 129 p. 1st edition. One of 200 numbered copies (this copy out-of-series) SIGNED by Lawrence Clark Powell & Ward Ritchie. 
San Francisco: Roxburghe Club of San Francisco, (1951). 7 1/4 x 9 7/8 in. Four-page leaflet printed on heavy stock. Announcement of a talk by Powell at the Roxburghe Club. With a brief note by George P. Hammond, Master of the Press. Printed by A. R. Tommasini. 
[Los Angeles]: Caroline Anderson, Joseph Simon & Ward Ritchie at Their Press for Members of the Roxburghe & Zamorano Clubs, . 8vo. Wraps.  p. "This is the history of the 'Plate of Pewter' as remembered and recorded in the years of its rediscovery, 1953-1954"