~ gathering this author’s shelf ~
14 bookswriting since 194250 years at work
Animal Minds
1992
Cognitive ethology
1990
Animal thinking
1984
Animal Mind - Human Mind
1982
The Question of Animal Awareness
1976
Animal engineering
1974
Bird migration
1964
Animal Structure and Function
1962
Echoes of Bats and Men.
1959
Listening in the dark
1958
Bat Sounds Under Natural Condition
1953
Airplane Observations of Homing Pigeons
1952