Early notebooks (1-9), notes for Cook's lectures (10-71), and material relating to Theocritus (72-100).
1-9. Early Notebooks, containing essays and notes for lectures on Greek philosophy and other subjects, 1887-1892.
10-39. Greek and Roman History, Literature, Philosophy, etc. Notes by Cook for his lectures at Bedford College or in Cambridge, 1895-1917.
40-67. Greek and Roman Art, Architecture, etc. Notes by Cook for his lectures at Bedford College or in Cambridge, nearly all probably illustrated, c.1895-1928.
68-71. Various. Memorandum book as an examiner for the Classical Tripos, part I, 1899 and 1900; 'Catalogue of collections [of antiquities] at Queens' College', 1932; notes on a Ph.D thesis, 1939; three anonymous typescript articles; and miscellaneous letters, mostly to Cook, 1898-1840.
72-100. Theocritus Material. Material collected for an edition of Theocritus by Cook and P. Giles, projected but never published, dating from the 19th and early 20th centuries. There are collations of MSS, notes, correspondence and other papers of J.A.G. Weigel of Leipzig (72-73), P. Giles (74-85), A.B. Cook (86-93), and Cook and Giles (94), and additional MS collations and photographs (95-100).