This volume contains supplements 1-5 to the Transactions of the Bibliographical Society, the first and last of which are medieval manuscript catalogues by M. R. James with accompanying prefaces. The specific supplement titles are as follows:
Lists of Manuscripts formerly owned by Dr. John Dee (Supplement 1, 1921)
Lists of Manuscripts formerly in Peterborough Abbey Library (Supplement 5, 1926)

Supplements to the Transactions of the Bibliographical Society 1921-1926 (bound volume of supplements 1-5, Oxford University Press, 1921-1926) 
Title page 
“Lists of Manuscripts formerly owned by Dr. John Dee”, by M. R. James (supplement 1, 1921) 
“Lists of Manuscripts formerly in Peterborough Abbey Library”, by M. R. James (supplement 5)
