Critical Comments on a Reactionary Philosophy, was written by Lenin from February through October 1908 while he was exiled in Geneva and London and was published in Moscow in May 1909 by Zveno Publishers.
Komentar-Komentar Kritis terhadap Filsafat Reaksioner, ditulis oleh Lenin dari Februari sampai Oktober 1908 saat ia berada dalam pengasingan di Jenewa dan London dan diterbitkan di Moskwa pada Mei 1909 oleh Zveno Publishers.