Wilhelm Hauss, Jekaterina Nikolaevna, Frolov, and Ernst May, Magnitogorsk circa 1931)
Wilhelm Hauss, Jekaterina Nikolaevna, Frolov, and Ernst May, Magnitogorsk circa 1931)
Wilhelm Hauss, Jekaterina Nikolaevna, Frolov, and Ernst May, Magnitogorsk circa 1931)