RUEFF, Jacob (1500-1558). De conceptu et generatione hominis, Frankfurt: Sigismund Feyrabend for Georg Corvinus, 1580, 4°, woodcut illustrations (a1 and a3 supplied in facsimile, perforation stamp on a2 and k3, a2 ink-stamped, some underlining in red, foredges stained), contemporary blindstamped vellum with arms of Leopold Peck (upper cover detached, some soiling) [Adams R867; Durling 3981] Provenance: JCL (Senn Collection). With an imperfect copy of Mauriceau's Traité des Maladies des Femmes Grosses, (second edition, 1685, lacking D2-3). (2)