•
The election of Albrecht II as Roman king. Dissertation (1885). •
The Roman expedition of Ludwig of Bavaria (1886). •
Acta Nicolai Gramis (1889). • ''
Eberhard Windecke's Memoirs on the History of the Age of Emperor Sigmund.'' R. Gaertners Verlagsbuchhandlung, Berlin (1893). •
The old Frankfurt German translation of the Golden Bull of Emperor Charles IV (1897). •
Böhmer, JF, Regesta Imperii XI: The Documents of Emperor Sigmund 1410-1437, ed. by Altmann, Wilhelm, Innsbruck (1896–1900). •
Public music libraries - A pious wish, Journal of the International Music Society, H. 1, pp. 1–17. (1903). • ''
Richard Wagner's letters by chronology and content'' (1905). •
German Music Collection at the Königl. Library in Berlin, in: Zentralblatt für Bibliothekswesen, vol. 23, H. 2, p. 66 ff. (1906). • Selected documents on non-German constitutional history since 1776, 2nd increased edition (1913). • Selected documents on the Brandenburg-Prussian constitutional and administrative history, 1st part 15th-18th Century, 2nd edition (1914). • Selected documents on the Brandenburg-Prussian constitutional and administrative history, 2nd part 1806-1849, 2nd edition (1915). •
The chamber music works of Friedrich Lux. (1920). •
Tonkünstlerlexikon, (1926). • ''String Quartet Player's Handbook'', Vol. 1: String Quartets (1927). • ''String Quartet Player's Handbook'', Vol. 2: String Quartets (1927). •
Handbook for String Quartet Players, Vol. 3: String Trios, Quintets, Sextets, Octets (1929). • ''Introduction to Schubert's so-called Trout Quintet''. Op. 114 (Electrola Musikplatten EJ 334-357). (1929). •
Handbook for String Quartet Players, Vol. 4: Music for Strings and Winds (1930). •
Kammermusik literature, 51931 •
Handbook for Piano Trio Players (1934). •
Handbook for Piano Quintet Players (1936). • ''Piano Quartet Player's Handbook'' (1937). • ''
Otto Nicolai's Diaries'' (1937). ==References==