(PDF)存档于2010-06-27). Big Ten Conference Records Book 2008–09 (PDF) 61st. Park Ridge, Illinois: Big Ten Conference. 2008: 374 [2009-04-02]. (原始内容存档 (PDF)于2009-02-07)
interviewed on Conversations from Penn State Ken Burns: The Interview with BlueRidge County Magazine (页面存档备份,存于互联网档案馆) Ken Burns. WriteTV.org, The Oklahoma
Kelley, Katherine A.; Cottrell, Elizabeth. Redox Heterogeneity in Mid-Ocean Ridge Basalts as a Function of Mantle Source. Science. 2013-06-14, 340 (6138):