ISSN 0025-570X. ↑ History of Mathematics Magazine, MAA. Accessed online Sep. 28, 2016. ↑ 2005 Parson Lecturer - Dr. Doris Schattschneider, University of North Carolina at Asheville, Department of Mathematics, archived from the original on 2014-01-11, retrieved 2013-07-13. ↑ Riddle, Larry (April 5, 2013), Doris Schattschneider, Biographies of Women Mathematicians, Agnes Scott College, retrieved 2013-07-13. ↑ "The Mathematical Association of America's Carl B. Allendoerfer Award".