Haurongo: Wohlmann, Ward George
He whakaaturanga anō
Rārangi pukapuka
Hill, R. S. The iron hand in the velvet glove. Palmerston North, 1995
'Police commissioner. Mr Wohlmann appointed'. New Zealand Herald. 22 July 1930: 10
Young, S., ed. With confidence and pride. [Wellington, 1994]