Sotsialniya Ucheniya Khristianstva.
Hardcover, Leipzig - St. Petersburg: Knigoizdatelstvo "Mysl," A. Miller, 1907. Good with no dust jacket.
Hardcover, Leipzig - St. Petersburg: Knigoizdatelstvo "Mysl," A. Miller, 1907. Good with no dust jacket.
Softcover, New York: October House Inc., 1967. Good with No dust jacket as issued.