Brundage, James A., The Crusades, motives and achievements. Edited with an introd. by James A. Brundage. - Boston, Heath [1964] - xiv, 89 p. 24 cm. - Problems in European civilization . Bibliography: p. 88-89. LCCN: 64015925 Subjects--Topical Terms: Crusades--Influence. LC Class. No.: D160 / .B7 Dewey Class. No.: 940.18082