Arensberg, Walter Conrad, 1878- *4G 70,32 The magic ring of Francis Bacon. = Pittsburgh, Pa. 1930. 64 pp. Plates. 27 cm. Relates to a pro-Baconian cipher.
This card was printed at the Boston Public Library, July 8, 1930. N7540 — Shakespeare, William. $ Speare-Bacon controversy. Pro-Bacon.—
Cipher.