found: His Was Richard Wagner a Jew? 1912:t.p. (O.G. Sonneck)
found: His A bibliography of early secular American music, 1945:t.p. (Oscar George Theodore Sonneck)
found: His Oscar Sonneck and American music, 1983:CIP t.p. (Oscar Sonneck)
found: New Grove, 2nd ed.(Sonneck, Oscar G(eorge) T(heodore); b. Oct. 6, 1873, Lafayette (now part of Jersey City), NJ, d. Oct. 30, 1928, New York; American musicologist, librarian, editor and composer)
found: OCLC, August 4, 2014(access points: Sonneck, Oscar George Thedore, 1873-1928; Sonneck, O. G., 1873-1928; Sonneck, Oscar G. T.; other variations with and without dates; usage: O.G. Sonneck [predominant]; Oscar George Theodore Sonneck; Oscar G.T. Sonneck)
found: Grove Music Online, August 4, 2014(Sonneck, Oscar G(eorge) T(heodore); b. Oct. 6, 1873, Lafayette (now part of Jersey City), NJ, d. Oct. 30, 1928, New York; American musicologist, librarian, editor and composer; sent to Germany as a boy to study; studies in piano, philosophy, and musicology in Heidelberg, Frankfurt, Munich, and Sondershausen; returned to the U.S. in 1899; in 1902, appointed to be head of the Music Division at the Library of Congress; left in 1917 and became director of the publication department at G. Schirmer, and then vice-president of the firm in 1921)