THREE VOLUME SET. RARE REPRINT EDITION of the most important treatise by an eminent German philosopher Jakob Friedrich Fries (1773-1843), which he wrote as an attempt to give a new foundation of psychological analysis to the critical theory of Immanuel Kant. [ALL VOLUMES]: 205x130mm. [XXXVI+415] + [XII+342] + [X+380] pages. Brown cloth Hardcover. Gilt lettering on front cover and spine. Gilt partly faded. Spine faded. Spine edges bumped. Pages and text block edges yellowing. [VOL.I]: Cover corners slightly bumped. Rear cover and spine bottom edge slightly rubbed. Some pages upper corner bumped/wrinkled. [VOL.II]: Cover slightly curved. [VOL.III]: Binding slightly visible on endpapers. [SUMMARY]: This extremely rare 3 volume classic German philosophy book is in good condition.