Data Structures for General Practice Records. - K. F. Bowden; I. R. MacCallum; S. P. Patience (IFIP Congress (2), 1971)

A Simple Analysis of the nth Order Polyphase Sort. - I. R. MacCallum (Comput. J., 1973)

Some Consequences of Deferred Binding in COBOL. - Barry G. T. Lowden; I. R. MacCallum (Comput. J., 1977)

Surveyor's Forum: A Forgotten Generation of Permutations. - I. R. MacCallum (ACM Comput. Surv., 1977)