Development of vocal communication in man-raised Japanese monkeys I. Rumiko Takeda OriginalPaper Pages: 337 - 380
On the social change of hanuman langurs (Presbytis entellus) in their natural condition Yukimaru Sugiyama OriginalPaper Pages: 381 - 418
The brain of the mountain gorilla (Gorilla gorilla beringei) Hiroshi HosokawaToshiro KamiyaKazushige Hirosawa OriginalPaper Pages: 419 - 449
Short history of the ecological and sociological studies on non-human primates in Japan Yukimaru Sugiyama OriginalPaper Pages: 457 - 460