Astronomie - Boll, Franz, 1867-1924; Ginzel, Friedrich Karl, b. 1850.; Ambronn, Leopold, 1854-1930; Flotow, Albrecht von, 1873-1927; Hepperger, Josef von, b. 1855.; Graff, K. (Kasimir), 1878-1950; Pringsheim, E. (Ernst), 1859-1917; Guthnick, P. (Paul), 1879-1947; Kobold, Hermann, 1858-1942; Oppenheim, Samuel, 1857-1928 (B.G. Teubner, 1921)