1991 - HRS (part 5 of 14) Box 28, Folder 12 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-2001…
1991 - HRS (part 6 of 14) Box 28, Folder 13 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-2001…
1991 - HRS (part 7 of 14) Box 28, Folder 14 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-2001…
1991 - HRS (part 8 of 14) Box 28, Folder 15 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-2001…
1991 - HRS (part 9 of 14) Box 28, Folder 16 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-2001…
1991 – Hubble: The Mote in NASA's Eye parts 1-3 (essay) Box 28, Folder 9 Collection Context USF Libraries - Tampa Special Collections Charles Sheffield papers, 1977-2002…
1991 Informes de Infoburo Folder 2 Collection Context FIU Special Collections The Cuban Human Rights Collection, 1983-2004, Date acquired: 2005, bulk 1990-1999…
1991 - IPO Box 29, Folder 16 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-2001…
1991 - IPO Box 31, Folder 7 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-2001…
1991 January 9 Collection Context FIU Special Collections The Cuban Human Rights Collection, 1983-2004, Date acquired: 2005, bulk 1990-1999…