found: Clements, Ann Callistro. A field guide to student teaching in music, 2010:ECIP t.p. (Rita Klinger)
found: Cleveland.com, via WWW, Apr. 19, 2012(Rita Klinger; d. Apr. 5 [2012] at 58; leader in children's musical education; prof. and music education coordinator, Cleveland State Univ.)
found: One, two, three!, 2017:page 54 (Rita Klinger, born July 1, 1953, Hempstead, New York; received BM in Music Education from the Hartt School of Music and MM in Music Education from Holy Names College; received PhD from the University of Washington)
found: Legacy.com, May 10, 2021(Rita Klinger, died April, 5, 2012, Parma, Ohio)