Lenin Vladimir Ilyich. Imperialism and impirio-criticism. Edition of 1946.

"Materialism and empirio-criticism" - the main philosophical work of V.I. Lenin. Its historical significance lies in the further development of Marxist philosophy, in answering the fundamental philosophical questions that confronted the party at that time, in the philosophical generalization of the latest achievements of natural science. In it, Lenin subjected reactionary bourgeois idealist philosophy and philosophical revisionism to a comprehensive critique.