Kaufman, M. H. (February 2008). "Daniel John Cunningham (1850–1909): anatomist and textbook author, whose sons achieved distinction in the Army, Navy and Indian Medical Service". Journal of Medical Biography. 16 (1): 30–5. doi:10.1258/jmb.2006.006058. PMID18463062. S2CID7428475.
Kaufman, M. H. (February 2008). "Daniel John Cunningham (1850–1909): anatomist and textbook author, whose sons achieved distinction in the Army, Navy and Indian Medical Service". Journal of Medical Biography. 16 (1): 30–5. doi:10.1258/jmb.2006.006058. PMID18463062. S2CID7428475.
Kaufman, M. H. (February 2008). "Daniel John Cunningham (1850–1909): anatomist and textbook author, whose sons achieved distinction in the Army, Navy and Indian Medical Service". Journal of Medical Biography. 16 (1): 30–5. doi:10.1258/jmb.2006.006058. PMID18463062. S2CID7428475.