http://book.klll.cc/ebooks/subject/547.opds 2025-08-08T00:17:19Z Books about Psychology, Comparative (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/subject/547.opds?sort_order=title Sort Alphabetically by Title 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/subject/547.opds?sort_order=release_date Sort by Release Date 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/1227.opds The Expression of the Emotions in Man and Animals Charles Darwin 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/33936.opds Clever Hans (The Horse of Mr. Von Osten) Oskar Pfungst 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/64550.opds Intelligence in Plants and Animals Thomas G. Gentry 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/64188.opds La simulación en la lucha por la vida (Spanish) José Ingenieros 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/50382.opds Mental Evolution in Man: Origin of Human Faculty George John Romanes 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/69904.opds Animal intelligence: Experimental studies Edward L. Thorndike 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/21608.opds The Dawn of Reason; or, Mental Traits in the Lower Animals Jr. James Weir 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/52134.opds Ants and Some Other Insects: An Inquiry Into the Psychic Powers of These Animals Auguste Forel 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/49818.opds Animal Life and Intelligence C. Lloyd Morgan 2025-08-08T00:17:19Z https://book.klll.cc/ebooks/27664.opds Zoölogische Philosophie (Dutch) Jean Baptiste Pierre Antoine de Monet de Lamarck