written by many hands and edited by James Mark Baldwin ; with the co-operation and assistance of an international board of consulting editors ; with illustrations and extensive bibliographies
"Including many of the principal conceptions of ethics, logic, aesthetics, philosophy of religion, mental pathology, anthropology, biology, neurology, physiology, economics, political and social philosophy, philology, physical science, and education; and giving a terminology in English, French, German, and Italian."
The volumes for 1901 to 1908 of the Psychological index form bibliographic supplements, no. 1-8, to the Dictionary of philosophy and psychology.
v. 1. List of collaborators ; Editor's preface ; Table of contents ; Abbreviations ; Text, A-Laws -- v. 2. Prefatory note ; Text, Le-Z ; General indexes (I. Greek terms. II. Latin terms. III. German terms. IV. French terms. V. Italian terms) -- v. 3., pt. 1. Bibliography of philosophy, psychology, and cognate subjects (General bibliographies ; Dictionaries ; Periodicals ; Other collective material ; Bibliography [of] History of philosophy -- v. 3., pt. 2. Bibliographies of philosophy, psychology, and cognate subjects (Bibliographies [of] Systematic philosophy, Logic, Aesthetics, Philosophy of religion, Ethics, Psychology)