Her The older language learner, 1987: t.p. (Mary Schleppegrell)

Developing advanced literacy in first and second languages, 2002: t.p. (Mary J. Schleppegrell)

Schleppegrell, Mary J. The language of schooling, c2004: CIP t.p. (Mary J. Schleppegrell) data sheet (b. 10/17/50)

Schleppegrell, Mary J. The language of schooling, 2010: title page (Mary J. Schleppegrell, University of California, Davis)

University of California, Davis website, April 27, 2015 (Mary J. Schleppegrell, Professor Emerita, Department of Linguistics)

University of Michigan website, April 27, 2015 (Mary J. Schleppegrell, Professor and Chair of Educational Studies; PhD in linguistics from Georgetown University)