Robert D. Sack

（页面存档备份，存于互联网档案馆） Judges of the U.S. Court of Appeals for the Second Circuit - Sack, Robert David U.S. Court of Appeals for the Second Circuit （页面存档备份，存于互联网档案馆）

41 (2): 295–314. ISSN 0018-2370. doi:10.1111/j.1540-6563.1979.tb00548.x.  Sack, Harald. Hrotsvitha of Gandersheim – The Most Remarkable Women of her Time

Nevada Bureau of Mines Bulletin. 68: 16. Petersen, James F.; Sack, Dorothy; Gabler, Robert E. (2017). Physical Geography (11th ed.). Boston: Cengage Learning

April 2024] （法语）.  matchID - Robert Merle. Fichier des décès. [13 April 2024] （法语）.  Christopher Lehmann-Haupt. John Sack, 74, Correspondent Who Reported

co.uk. 2009-10-12 [2012-07-10]. （原始内容存档于2012-06-28） （英语）.  Burton Albion sack manager Paul Peschisolido. BBC Sport. 17 March 2012 [27 May 2012]. （原始内容存档于2012-09-29）