FREED, J. B.: The Friars and German Society in the Thirteenth Century (Publications of the Mediaeval Acaderny of America n. 86; Cambridge, Mass. 1977) XVI-280 pp.
García y García, Antonio (1978). FREED, J. B.: The Friars and German Society in the Thirteenth Century (Publications of the Mediaeval Acaderny of America n. 86; Cambridge, Mass. 1977) XVI-280 pp.. ANUARIO DE HISTORIA DEL DERECHO ESPAÑOL . pp. 698-699.
