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Free Photos (Public Domain Photos),stock Photos, Clipart, images, and Vectors

A large Public Domain photo repository with high resolution free photos and vectors. All copyright free stock photos and royalty free photos, and CC0 Photos. 27000 free and public domain photos, images, clipart, pics and vectors and counting. To view/download a photo in high resolution, please click on the image.


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The Great Russian Scientists Series. Ivan Pavlov was a Russian Soviet experimental neurologist, psychologist and physiologist known for his discovery of classical conditioning through his experiments
Conditioning vector illustration. Labeled Pavlovian respondent learn scheme. Dog experiment with food and bell. Salivation research diagram with behavior stimulus psychological educational explanation
PAVLOV DOG CONDITIONING CARTOON ILLUSTRATION
Ivan Pavlov cartoon portrait, Russian psychologist
the mechanics of the Pavlov
The mechanics of the Pavlov

Pavlov's House in Stalingrad in World War II