Covers: Open Library
- World civilizationsEdward McNall Burns, Philip Lee Ralph et al.
- World civilizations, their history and their culturePhilip Lee Ralph, Robert E. Lerner et al.
- Western civilizations, their history & their cultureJudith G. Coffin, Robert C. Stacey et al.
- Western civilizations, their history and their cultureRobert E. Lerner
- Western civilizationsRobert E. Lerner
- Western Civilizations Vol. 1Robert E. Lerner, Standish Meacham et al.
- Western Civilizations Vol. 2Robert E. Lerner, Standish Meacham et al.
- The heresy of the free spirit in the later Middle AgesRobert E. Lerner
- The Feast of Saint AbrahamRobert E. Lerner
- The feast of Saint AbrahamRobert E. Lerner
- Refrigerio dei santiRobert E. Lerner
- Western CivilizationsRobert E. Lerner, Edward McNall Burns et al.
