The cipher of Roger Bacon.
By: by William Romaine Newbold, edited with foreword and notes by Roland Grubb Kent.
Contributors: Kent, Roland G. 1877-1952, ed.
Publisher: University of Pennsylvania Press
Published: 1928
Place of publication: Philadelphia
Language: eng
Number of pages: 224
Subjects: Bacon, Roger, 1214?-1294.; Ciphers.