Baer, Eugen, contributor. Bartoszyński, Kazimierz, contributor. Boguslawski, Andrzej, contributor. Buczyńska-Garewicz, Hanna, contributor. Grodziński, Eugeniusz, contributor.

Allen, Colin, contributor. Bateson, Gregory, contributor. Bekoff, Marc, contributor. Cheney, Dorothy L., contributor. Darwin, Charles, contributor.

Allott, Robin, contributor. Anati, Emmanuel, contributor. Anderson, Myrdene, contributor. Arndt, Horst, contributor. Bichakjian, Bernard Η., contributor.