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Observations on Albert Dad
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- Online
Experiments in physiology. Facial expressions; Attention
Guillaume Benjamin Amand Duchenne de Boulogne
- Digital Images
- Online
Experiments in physiology. Facial expressions; Frowning
Guillaume Benjamin Amand Duchenne de Boulogne
- Digital Images
- Online
Experiment on excretion of Carbonic acid gas by animals.
- Digital Images
- Online
Experiments in physiology. Facial expressions
Guillaume Benjamin Amand Duchenne de Boulogne