Haurongo: Hercus, Charles Ernest
He whakaaturanga anō
Rārangi pukapuka
Hercus, C. & G. Bell. The Otago Medical School under the first three deans. Edinburgh, 1964
Le Couteur, Claire Elizabeth. 'Dentist, Doctor, Dean: Professor Sir Charles Hercus and his record of fostering research at the Otago Medical School, 1921–1958.' PhD thesis, University of Canterbury, 2014
Morrell, W. P. The University of Otago. Dunedin, 1969
Obit. New Zealand Medical Journal 73, No 467 (April 1971): 231--234