Author/Creator
- Intellect (Firm)4
- International Committee for Aesthetic Studies4
- International Society for Universalism4
- Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova4
- National Research Council (U.S.). Office of Scientific and Engineering Personnel4
- Philosophy of Education Society of Great Britain4
- Rhodes University. Department of Philosophy4
- Scots Philosophical Club4
- Società filosofica italiana4
- Southwestern Philosophical Society4
- Université de Lille. Faculté des lettres4
- University of Notre Dame. Law School4
- University of Pittsburgh. University Library System4
- Università di Bologna4
- Abicht, Johann Heinrich, 1762-18163
- Academia Republicii Socialiste România3
- American Philosophical Society3
- Australasian Association of Philosophy3
- British Institute of Philosophical Studies3
- British Institute of Philosophy3