The Medieval Tradition of Seneca's Letters. Oxford: Oxford University Press. 1965. OCLC901949196.
Ad Lucilium epistulae morales. 2 Volumes. Oxford: Oxford University Press. 1965. OCLC70458249.{{cite book}}: CS1 maint: others (link)
Scribes and Scholars: a Guide to the Transmission of Greek and Latin Literature. Edited with Nigel Guy Wilson. Oxford: Oxford University Press. 1968. OCLC164411390.{{cite book}}: CS1 maint: others (link)
L. Annaei Senecae Dialogorum libri duodecim. Oxford: Oxford University Press. 1977. OCLC21208442.
Catilina, Ivgvrtha, Historiarvm fragmenta selecta C. Sallusti Crispi. Appendix Sallustiana. Oxford: Oxford University Press. 1991. ISBN9780198146674.
De finibus bonorum et malorum libri quinque. Oxford: Oxford University Press. 1998. ISBN9780198146704.
