00852cpcaa2200229 4500 mm 83083915 DLC 20260227111720.0 830811|||||||||||| lat mm 83083915 DLC DLC dacs DLC H lcmd Tractatus unicus de elementis dialecticis : manuscript, 1747. 1 item. Open to research. Treatise (volume bound in vellum; 387 pages) on logic by an unknown author; contains dedication to the Virgin Mary of Guadalupe. Collection material in Latin. Logic. Nuestra Señora de Guadalupe. 44030 44030