| Title | Mappae Clavicula, a little Key to the World of Medieval Technique |
| Publication Type | Journal Article |
| Year of Publication | 1974 |
| Authors | Smith, CStanley, Hawthorne, JG |
| Journal | Transactions of the American Philosophical Society |
| Volume | N.s.64, pt.4 |
| Citation Key | b001610 |
History of technique in the arts, 1500-1950