E. L. Konigsburg
"E(laine) L(obl) Konigsburg." Major Authors and Illustrators for Children and Young Adults. Detroit: Gale, 2002.Biography in Context. Web. 23 Mar. 2015 E(laine) L(obl) Konigsburg." St. James Guide to Children's Writers. Gale, 1999. Biography in Context. Web. 23 Mar. 2 2015