Uitgaven door Oskar Pfungst

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Book1
Paperback Book3

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Cover for Oskar Pfungst · Clever Hans (Book) (2022)

Clever Hans (2022)

Cover for Oskar Pfungst · Clever Hans (the horse of Mr. Von Osten) a contribution to experimental animal and human psychology (Paperback Book) (2019)

Clever Hans (the horse of Mr. Vo... (2019)

Cover for Oskar Pfungst · Clever Hans (Paperback Book) (2017)

Clever Hans (2017)

Cover for Oskar Pfungst · Clever Hans (Paperback Book) (2017)

Clever Hans (2017)