found: Tyree Glenn at the Roundtable, 1958:container (Mary Osborne)
found: OCLC 13956458(hdg.: Osborne, Mary, 1921- )
found: New 52nd Street jazz, 194-?:labels (Mary Osborne, guitar)
found: The music sack, Aug. 19, 2010(Osborne, Mary; guitar, singer; b. July 17, 1921, Minot, N.D.; d. Mar. 4, 1992, Calif.)
found: Grove music online, June 11, 2019(Osborne [Orsborn], Mary (Estella); born July 17/18, 1921, Minot, North Dakota, died March 4, 1992, Bakersfield, California; American jazz guitarist and singer)