XV International Brigade" - edited by Frank Ryan (Published in 1938 by The Commissariat of War XV Brigade; republished in 1975 by Frank Graham)
"Connolly Column" - Michael O'Riordan (Published in 1979 by New Books Publications; 2nd edition published in 2005 by Warren & Pell Publishing)
"Dragoon - The Centennial History of the Royal Canadian Dragoons, 1883 - 1983" - Brereton Greenhous (Published in 1983 by The Guild of the Royal Canadian Dragoons)
"The Irish and the Spanish Civil War" - Robert A Stradling (Published in 1999 by Mandolin)
Other Published Material

Mem – BM Memorial programme


Stewart Curragh


Att – BM’s attestation papers
CC – Ciaran Crossey
Cronin – “Frank Ryan – the search for the Republic”
 EI – Ellis Island records
 IPost – Irish Post
 IWV – Irish Workers Voice