Lenin refers to Porphiry (nicknamed "Judas") Golovlyov, a sanctimonious, hypocritical landlord serf-owner described in M. Y. Saltykov-Shchedrin's The Goloulyov Family.
Lenin is referring to the Law of June 8 (21), 1901, which turned government lands in Siberia over to private persons. The Law gave exceptional advantages to the landed nobility. Lenin made a detailed analysis and appraisal of this Law in his article, "Serf-Owners at Work" (see present edition, Vol. 5).
Marx and Engels, Selected Works, Vol. I, Moscow, 1958, pp. 64-65.
Lenin is quoting from Engels' Anti-Dühring (see Frederick Engels, Anti-Dühring, Moscow, 1959, pp. 253-54).
Stepnyak-Kravchinsky -- the Russian Narodnaya Volya writer.