Trudy Pervago Vserossīĭskago sʺ︠i︡ezda izdateleĭ i knigoprodav︠t︡sev : 30 ī︠i︡una-5 ī︠i︡ul︠i︡a 1909 goda v S.-Peterburg - Lemke, M. K. (Mikhail Konstantinovich), 1872-1923 (Russian history and culture, 1909)