بروتوكولات حكماء صهيون
In 1930s, Burtsev fought against fascism and antisemitism. In 1934–1935 he was a witness in the Berne Trial, exposing the Okhrana's role in creating the infamous fraud "The Protocols of the Elders of Zion". In 1938 in Paris he published a book "The Protocols of the Elders of Zion: A Proven Forgery". Burtsev died in poverty in Paris in 1942 from a blood infection.