80 – Long, Richard E.C. Notebooks containing various abstracts, 1885-96

81 – Long, Richard E.C. Researches of Maya astronomy, 1930-3

82 – Long, Richard E.C. Proofs of Maya hieroglyphic writing, by J.E. Thompson, 1950

83 – Long, Richard E.C. Notes and abstracts from papers by various authors, 19-

84 – Long, Richard E.C. The new and the old in Guatemala and the Calendar of Soloma and of other Indian towns, by Robert Burkitt, 1929-30

85 – Long, Richard E.C. Book of Chilam Balam of Tizimen, 1948

86 – Long, Richard E.C. Collection of reprints and photostat copies of papers by Robert H. Merrill, 1941-7

87 – Long, Richard E.C. Collection of reprints by various people, 1924-49

88 – Long, Richard E.C. Further implications of Thompson’s readings of Maya inscriptions at Copan, 1948

89 – Long, Richard E.C. Thomas Wentworth [Earl of Strafford, 1593-1641]: a biography