Home › Authors › Andriĭ Petrovych Kovalivsʹkyĭ 👤 Andriĭ Petrovych Kovalivsʹkyĭ b. 1895 – d. 1969 · 1 book Books by Andriĭ Petrovych Kovalivsʹkyĭ Profesor P.G. Ritter, 1872-193 Profesor P.G. Ritter, 1872-1939 1966