Haurongo: Morrell, William Parker
He whakaaturanga anō
Rārangi pukapuka
McIntyre, W. D. 'Imperial jubilee: W. P. Morrell's contributions to imperial history'. New Zealand Journal of History 16, No 1 (April 1982): 56--67
Obit. Otago Daily Times. 29 April 1986: 3