R. H. Helmholz 10493022K cu Sun, 01/01/2017 - 12:00 R. H. Helmholz, "Adam Usk (c 1360–1430)," 19 Ecclesiastical Law Journal 50 (2017). 10493022K "Adam Usk (c 1360–1430)," 19 Ecclesiastical Law Journal 50 (2017). 0 Journal Article