| « INCUNABULA.
Rivo, Petrus de, 1420 (ca. )-1500.
XQ Opus responsivun. ok Louvain, Ludovieus Ravescot, £1488) tS Goff P=354.
More Books Feb. 1941, pp.53-57. 4 full-page woodcuts, initials, diagrams, printer's device.