Text ( visual ) : unmediated Opera production and its resources / edited by Lorenzo Bianconi and Giorgio Pestelli ; translated by Lydia G. Cochrane. -- Chicago : The University of Chicago Press , 1998. -- xviii, 440 p., [48] p. of plates : ill. (some col.) ; 24 cm. -- (The history of Italian opera ; pt. 2 . systems ; v. 4). -- "Originally published as Storia dell'opera Italiana, vol. 4: Il sistema produttivo e le sue competenze, c1987 D.E.T. Edizioni di Torino." -- t.p. verso ; Includes bibliographical references and indexes. -- ISBN 0226045900 ; (BA36721187) ; https://ci.nii.ac.jp/ncid/BA36721187 Other Title(s): Il sistema produttivo e le sue competenze. -- Author Heading(s): Bianconi, Lorenzo ; Pestelli, Giorgio ; Cochrane, Lydia G.. -- Classification(s): LCC : ML1733 ; DC21 : 782.1/0945. -- Subject Heading(s): LCSH : Opera -- Italy