Text ( visual ) : unmediated Method of musical art / by H.E. Wooldridge. -- 330-1330 ; 1300-1600. -- Oxford : Clarendon Press , 1901-1905. -- 2 v. : music ; 23 cm. -- (The Oxford history of music ; v. 1-2 . The polyphonic period ; pt. 1-2). -- Includes index. -- (BA29573104) ; https://ci.nii.ac.jp/ncid/BA29573104 Author Heading(s): Wooldridge, H. Ellis (Harry Ellis). -- Subject Heading(s): LCSH : Music -- History and criticism