Certification of the calculation of Easter. - Michael R. Williams (Commun. ACM, 1962)

Algorithm 286: Examination scheduling. - John E. L. Peck; Michael R. Williams (Commun. ACM, 1966)

Heuristic Procedures (If They Work-Leave Them Alone). - Michael R. Williams (Softw. Pract. Exp., 1974)

The Difference Engines. - Michael R. Williams (Comput. J., 1976)

The Scientific Library of Charles Babbage. - Michael R. Williams (IEEE Ann. Hist. Comput., 1981)

From Napier to Lucas: The Use of Napier's Bones in Calculating Instruments. - Michael R. Williams (IEEE Ann. Hist. Comput., 1983)

History of Computers in Canada. - Michael R. Williams (IEEE Ann. Hist. Comput., 1985)

A Course in the History of Computation. - Michael R. Williams (IEEE Ann. Hist. Comput., 1985)

Babbage and Bowditch: A Transatlantic Connection. - Michael R. Williams (IEEE Ann. Hist. Comput., 1987)

Museums and Archives. - Michael R. Williams (IEEE Ann. Hist. Comput., 1990)

The First Computer. - Michael R. Williams (New Results and New Trends in Computer Science, 1991)

Biographies-Joseph Clement: the first computer engineer. - Michael R. Williams (IEEE Ann. Hist. Comput., 1992)

The origins, uses, and fate of the EDVAC. - Michael R. Williams (IEEE Ann. Hist. Comput., 1993)

UTEC and Ferut: the University of Toronto's computation centre. - Michael R. Williams (IEEE Ann. Hist. Comput., 1994)

New EIC. - Michael R. Williams (IEEE Ann. Hist. Comput., 1996)

About this Issue. - Michael R. Williams (IEEE Ann. Hist. Comput., 1996)

A history of computing technology (2. ed.). - Michael R. Williams (IEEE, 1997)

The "Last Word" on Charles Babbage. - Michael R. Williams (IEEE Ann. Hist. Comput., 1998)

Alternate Sources of History. - Michael R. Williams (IEEE Ann. Hist. Comput., 1998)

IFIP TC3/TC9 Joint Task Group: History in the Computing Curriculum. - John Impagliazzo; Martin Campbell-Kelly; Gordon B. Davis; John A. N. Lee; Michael R. Williams (IEEE Ann. Hist. Comput., 1999)

Allan Bromley. - Michael R. Williams (IEEE Ann. Hist. Comput., 2000)

Do we teach computer science as religion or as history? - Michael R. Williams (ACM SIGCSE Bull., 2000)

Calvin Mooers, the NOL Computer Project, and John Vincent Atanasoff: An Introduction. - Michael R. Williams (IEEE Ann. Hist. Comput., 2001)

Building a World-Class Book Collection: The Tomash Library. - Michael R. Williams (IEEE Ann. Hist. Comput., 2001)

The Sector: Its History, Scales, and Uses. - Michael R. Williams; Erwin Tomash (IEEE Ann. Hist. Comput., 2003)

The computer history museum. - Michael R. Williams (ACM SIGCSE Bull., 2003)

Does anyone remember the KDF-9? - Michael R. Williams (ACM SIGCSE Bull., 2004)

Survey calculations. - Michael R. Williams (ACM SIGCSE Bull., 2004)

Introduction of New Associate Editors. - Michael R. Williams (IEEE ACM Trans. Comput. Biol. Bioinform., 2004)

Reflections on standards. - Michael R. Williams (ACM SIGCSE Bull., 2005)

What Does It Mean To Be The First Computer? - Michael R. Williams (John Vincent Atanasoff Symposium, 2006)

A Year of Decision. - Michael R. Williams (Computer, 2007)

An Interesting Year. - Michael R. Williams (Computer, 2007)

Differential Analyzers [Scanning Our Past]. - Michael R. Williams (Proc. IEEE, 2013)

The Invention of Electronic Digital Computing - Plenary Panel Summary. - John Vincent Atanasoff; Gordon Bell; Kiril L. Boyanov; Charles G. Call; Carl K. Chang; Thomas M. Conte; Vladimir Getov; John L. Gustafson; Hironori Kasahara; Dejan S. Milojicic; Michael R. Williams (JVA, 2023)