found: Author's Easy duets for treble clef instruments, c1958.
found: Rehrig, W.H. The heritage ency. of band music, c1991(Mueller, Florian; b. 1909, Bay City, Mich.)
found: Dutch Wikipedia, July 23, 2012(Florian (Frederick) Mueller; b. June 15, 1909, Bay City, Mich., d. Mar. 14, 1983, Saint Petersburg; American composer, music educator, conductor, and oboist)
found: Mueller, Florian. Concert music, 2003:title page (Florian Mueller) Introduction (Florian Mueller; born June 15, 1904, Bay City, Michigan; died March 14, 1983, St. Petersburg, Florida; joined the Chicago Symphony Orchestra as an oboist, 1927; first chair, 1929-1954; studied at the American Conservatory of Music in Chicago; a founder of Roosevelt University in Chicago; taught there and conducted its orchestra; in 1954, appointed professor of music at the University of Michigan; retired to Florida in 1973)
found: Summit County, Ohio, U.S., Marriage Records, 1840-1980, in Ancestry.com Library Edition, August 14, 2024(in 1933-1934, vol. 66, no. 130: Florian Mueller; 28 years old on June 15, 1932; born Bay City, Michigan; currently a resident of Chicago; occupation: musician)
found: U.S., World War II Draft Cards Young Men, 1940-1947, in Ancestry.com Library Edition, August 14, 2024(in Illinois, serial no. 1365: Florian Frederick Mueller; born June 15, 1904, Bay City, Mich.; residence: Riverdale, Cook County, Illinois; employer: Chicago Symphony Orchestra)
