Frederick Douglass encyclopedia. ABC-CLIO. 2010: 124 [February 27, 2011]. ISBN 978-0-313-31988-4. （原始内容存档于2013-06-12）. Anna Murray Douglass. BlackPast

美国最高法院

the Fourteenth Amendment due process or equal protection. White, Edward Douglass. Opinion for the Court, Arver v. U.S. 245 U.S. 366. [2017-07-01]. （原始内容存档于2011-05-01）

2008年1月逝世人物列表

January 2008 [23 January 2019]. （原始内容存档于23 February 2008）（法语）. Dowty, Douglass. Priest, author "Father Joe" dies in Syracuse. The Post-Standard. 17 January

Found in articles

弗雷德里克·道格拉斯

Frederick Douglass encyclopedia. ABC-CLIO. 2010: 124 [February 27, 2011]. ISBN 978-0-313-31988-4. （原始内容存档于2013-06-12）. Anna Murray Douglass. BlackPast

美国最高法院

the Fourteenth Amendment due process or equal protection. White, Edward Douglass. Opinion for the Court, Arver v. U.S. 245 U.S. 366. [2017-07-01]. （原始内容存档于2011-05-01）

2008年1月逝世人物列表

January 2008 [23 January 2019]. （原始内容存档于23 February 2008）（法语）. Dowty, Douglass. Priest, author "Father Joe" dies in Syracuse. The Post-Standard. 17 January