1981 – Space Industrialization: A Three-Stage System (essay) Box 22, Folder 6 Collection Context USF Libraries - Tampa Special Collections Charles Sheffield papers, 1977-2002Writings1980-1982
1981 Squeeze Ces Folder 1 Collection Context Thomas B. Mack Florida Citrus Archives James T. Griffiths Papers, 1914-2006, bulk 1959-2002Box 6Florida Citrus Orange Juice
1981 – Summertide Box 46, Folder 22 Collection Context USF Libraries - Tampa Special Collections Charles Sheffield papers, 1977-2002Story records1977-1985
1981 – Summertide (short story) Box 22, Folder 16 Collection Context USF Libraries - Tampa Special Collections Charles Sheffield papers, 1977-2002Writings1980-1982
1981 - TAHRG - Columbia County Schools Box 11, Folder 22 Abstract Or Scope id1873 view more view less Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-20011981
1981 - TAPT (part 1 of 2) Box 11, Folder 23 Abstract Or Scope id1058 view more view less Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-20011981
1981 - TAPT (part 2 of 2) Box 11, Folder 24 Collection Context USF Libraries - Tampa Special Collections Dr. Charles S. Mahan papers, 1949-2023, Date acquired: 01/10/2010, bulk 1982-20011981
1981 –The Meaning of Relativity Introduction (essay) Box 22, Folder 7 Collection Context USF Libraries - Tampa Special Collections Charles Sheffield papers, 1977-2002Writings1980-1982
1981 – The Softest Hammer Box 46, Folder 23 Collection Context USF Libraries - Tampa Special Collections Charles Sheffield papers, 1977-2002Story records1977-1985
1981 – The Softest Hammer (short story) Box 22, Folder 13 Collection Context USF Libraries - Tampa Special Collections Charles Sheffield papers, 1977-2002Writings1980-1982
