After a visit to the USA he conducted the Moody-Manners Opera Company, acted from 1902–1907 as opera conductor in London, then worked at the court theatres of Wiesbaden and Berlin, until the court theaters were abolished after the First World War. He was the last royal general director of the Bayerische Staatsoper in Munich (1912–1918 and 1924–1934) and the only one who exercised this office twice. He produced the Munich Opera Festival through 1934 when he was forced out by Naziprohibitions.[2]
McCredie, Andrew D., Clemens von Franckenstein (1875–1942). A German Associate of the English Frankfort Group. The Orchesterlied and his settings from Hans Bethge's "Die chinesische Flöte", in Miscellanea Musicologica [Adelaide Studies in Musicology, Vol. 13], 1988.
McCredie, Andrew D., Clemens von Franckenstein, Tutzing: Schneider, 1992 (in German) [Series: Komponisten in Bayern, Vol. 26], ISSN0937-583X.
McCredie, Andrew D., The comparative case histories of Karl Amadeus Hartmann, Clemens von Frankenstein and Paul von Klenau as variant examples of Innere Emigration: Problems and issues for German music historiography of the period 1918-1945. in: Glazba, ideje i drustvo: Svecani zbornik za Ivana Supicica/Music, ideas, and society: Essays in honour of Ivan Supicic, Zagreb, Croatia: Hrvatsko Muzikolosko Drustvo 1993, pp. 215-235 (in English).
Landfester, Ulrike, Briefwechsel mit Clemens von Franckenstein [The correspondence with Clemens von Franckenstein: 1894-1928.], Freiburg im Breisgau: Rombach 1998, ISBN3-7930-9182-1.
