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- Planck, Max, 1858-1947 (9)
- 竹内, 端三(1887-1945) (9)
- Eddington, Arthur Stanley, Sir, 1882-1944 (8)
- Einstein, Albert, 1879-1955 (8)
- 中央気象台 (8)
- 学術研究会議 (8)
- 日本随筆大成編輯部 (8)
- 石原, 純(1881-1947) (8)
- Klein, Felix, 1849-1925 (7)
- Courant, Richard, 1888-1972 (6)
- Gauß, F. G. (Friedrich Gustav), 1829-1915 (6)
- Glazebrook, Richard, Sir, 1854-1935 (6)
- Royal Greenwich Observatory (6)
- 一戸, 直蔵(1877-1920) (6)
- Jeans, James Hopwood, Sir, 1877-1946 (5)
- Scheffers, Georg, 1866-1945 (5)
- Whittaker, E. T. (Edmund Taylor), 1873-1956 (5)
- 気象庁 (5)
- 關口, 鯉吉 (5)
- Blaschke, Wilhelm, 1885- (4)
- International Astronomical Union. General Assembly (4)
- Ludendorff, H. (4)
- Smart, W. M. (William Marshall), 1889- (4)
- Sommerfeld, Arnold, 1868-1951 (4)
- 滝沢, 馬琴(1767-1848) (4)
- Andoyer, H. (Henri), 1862-1929 (3)
- Appell, Paul, 1855-1930 (3)
- Dyson, Frank Watson, 1868-1939 (3)
- Goursat, Édouard, 1858-1936 (3)
- Hellinger, Ernst (3)
- Jeffreys, Harold, Sir, 1891- (3)
- Justus Perthes (Firm : Gotha, Germany) (3)
- Knopp, Konrad, 1882-1957 (3)
- Kohlschütter, A. (3)
- Lorentz, H. A. (Hendrik Antoon), 1853-1928 (3)
- Macpherson, Hector, b. 1888 (3)
- Neugebauer, P. V. (3)
- Pacific Science Congress (3)
- Schlesinger, Ludwig, 1864- (3)
- Schrödinger, Erwin, 1887-1961 (3)
- Seyfarth, Friedlich, 1891-1960 (3)
- Shaw, Napier, Sir, 1854-1945 (3)
- South African Astronomical Observatory (3)
- Willers, Friedrich Adolf, 1883-1959 (3)
- 坂井, 英太郎 (3)
- 寺沢, 寛一(1882-1969) (3)
- 小川, 琢治(1870-1941) (3)
- 山崎, 美成(1797-1856) (3)
- 山田, 光雄(1893-) (3)
- 新城, 新蔵 (3)
- 東京大学史料編纂所 (3)
- 東京天文台 (3)
- 水野, 敏之丞 (3)
- Abbot, C. G. (Charles Greeley), b. 1872 (2)
- Abraham, Max (2)
- Albrecht, Theodor, 1843-1915 (2)
- American Waltham Watch Company (2)
- Bieberbach, Ludwig, 1886- (2)
- Bohr, Niels Henrik David (2)
- Bonynge, William (2)
- Born, Max, 1882-1970 (2)
- Bowley, A. L. (Arthur Lyon), Sir, 1869-1957 (2)
- Bremiker, Dr. (Karl), 1804-1877 (2)
- Bruhns, C. (Carl), 1830-1881 (2)
- Cajori, Florian, 1859-1930 (2)
- Cartan, Elie, 1869-1951 (2)
- Castell-Evans, John (2)
- Charlier, C. V. L. (Carl Vilhelm Ludwig), 1862-1934 (2)
- Dickson, Charlotte (2)
- Dingle, Herbert, 1890- (2)
- Dugan, Raymond Smith, 1878-1940 (2)
- Eberhardt, G. (2)
- Fischer, P. B. (2)
- Fisher, Arne (2)
- Forsyth, Andrew Russell, 1858-1942 (2)
- Fowler, A.. (2)
- Fricke, Robert (2)
- Gaposchkin, Cecilia Helena Payne, 1900- (2)
- Graff, K. (Kasimir), 1878-1950 (2)
- Hadamard, Jacques, 1865-1963 (2)
- Hagen, J. G. (2)
- Hale, George Ellery, 1868-1938 (2)
- Harrow, Benjamin, 1888-1970 (2)
- Hasse, Helmut, 1898- (2)
- Hilbert, David, 1862-1943 (2)
- Hough, S. S. (Sydney Samuel), 1870-1923 (2)
- Hund, Friedrich, 1896- (2)
- Jones, H. Spencer (Harold Spencer), 1890- (2)
- Klein, Jos. (2)
- Kruse, W. (2)
- Levi-Civita, Tullio, 1873-1941 (2)
- Love, A. E. H. (Augustus Edward Hough), 1863-1940 (2)
- Luckiesh, Matthew, b. 1883 (2)
- Lüdtke, Gerhard, 1875- (2)
- Maxwell, James Clerk, 1831-1879 (2)
- Milham, Willis I. (Willis Isbister), b. 1874 (2)
- Mitchell, S. A. (Samuel Alfred), 1874-1960 (2)
- Möbius, A. F. (2)
- Nørlund, Niels Erik, 1885- (2)
- Observatoire de Paris (2)