Museum Sixty is based on 60 point metal Monotype Centaur. The source for A-Z& is the specimen page opening American Proprietary Typefaces, ed. David Pankow. The primary source for the lowercase is the original Centaur specimen booklet by Lanston Monotype, London, 1929. . Museum Fourteen is based on 14 point metal Monotype Centaur. The primary source is the text of American Proprietary Typefaces. . Museum Bible is based on 18 point metal Bible Centaur. The source is the booklet, "An Account of the Making of the Oxford Lectern Bible", Lanston Monotype, Philadelphia, 1936. . Museum Foundry is based on the 14 point original foundry version of Centaur, as cut by Robert Wiebking of Chicago. The source is "Amycus et CĂ©lestin", printed at the Museum Press in New York, 1916.