Synopsis Praelectionum de SS. Trinitate. Ad usum auditorum (novis curis expolita).

Boyer, Carolus.

Apud Aedes Universitatis Gregorianae, Romae, 1949

Paperback. 228 pp.; 23x15 cm. - " Pontificia Universitas Gregoriana " Text in Latin (small label on spine, paper browned, stamp) Although still very good, see picture