"0. Pragae, Typis Universitatis Carolo-Ferdinandae in Collegio Societatis Jesu ad S.Clementem, 1757, 2 vols in-folio, 28,5 x 20 cm, (4) +790pp ; (4) + 472 pp + (87)(index) with woodcut & copper engraved vignets (Klauber), bound in old calf, extremeties worn and damaged, but bindings technically sound. Interior with some browning and some stains. On the whole still an acceptable copy.ed edges. Copy of the internal rules of the Jesuit-Order . These guidelines, for internal use only, are rare and printed in small editions only. This Prague edition divised a classification of rules which subsequently became the generally accepted structure. (De Backer-Sommervogel Tome V col. 82-83)."