John M. Duffy (disambiguation)

"John M. Duffy" is composed of at least 2 distinct authors, divided by their works.

About the Author

Also includes: John Duffy (9)

Author Division

Common Knowledge

Disambiguation notice
#1 Duffy, John Michael, 1943- The Synodicon Vetus
#2 Duffy, John, 1955- Writing from these roots