Title: "I︠A︡ znai︠u︡ russkui︠u︡ dushu ..."
Subjects: Physiologists, Biography, Religious life and customs, Scientists, Pavlov, Ivan Petrovich, 1849-1936, Pavlov, Ivan Petrovich,
Places: Soviet Union
People: Ivan Petrovich Pavlov (1849-1936)