Brockhaus and Efron Encyclopedic Dictionary, The Nuttall Encyclopædia, Meyers Konversations-Lexikon, 4th edition (1885–1890), Granat Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, Great Soviet Encyclopedia (1926–1947), Explanatory Dictionary of the Living Great Russian Language, Second Edition, Encyclopædia Britannica 11th edition, Encyclopædia Britannica Ninth Edition
August 1, August 2, August 3, August 4, August 5, August 6, August 7, August 8, August 9, 10 avgust, August 11, August 12, August 13, August 14, August 15, August 16, August 17, August 18, August 19, August 20, 21-avgust, August 22, August 23, August 24, August 25, August 26, August 27, August 28, August 29, August 30, 31-avgust