Purchased from Rosenbach, Oct. 1923. Contemporary inscription on front cover: Bartholus Super ff. veteri legacio magistri Conradi Steyn utriusque juris doctoris ac ordinarii [?]. Contemporary inscription on front pastedown: Ex legatus domini doctoris Steyn ...[?]. From the libraries of Leander van Ess, Sir Thomas Phillipps and Thomas FitzRoy Fenwick.