Arba'ah Turim (Four Rows), Jacob ben Asher, Soncino: Solomon ben Moses Soncino [1490], 1490

350 leaves, 4 volumes bound in one (11 3/4 x 9 in.; 298 x 230 mm). collation: book I, (complete, though misbound as follows: 1-98, 10.1-7, 11.8, 12.1-5, 11.1, 10.8, 11.2-7, 12.6) =94 leaves; book II, 1-108;=80 leaves; book III, 1-58, 610=50 leaves;