New Zealand Journal of Agriculture
20 April 1938
New Zealand Journal of Agriculture
20 December 1938
New Zealand Journal of Agriculture
20 June 1938
New Zealand Journal of Agriculture
20 January 1939
New Zealand Journal of Agriculture
20 February 1939
New Zealand Journal of Agriculture
20 September 1938
New Zealand Journal of Agriculture
20 March 1939
New Zealand Journal of Agriculture
20 October 1938
New Zealand Journal of Agriculture
15 January 1946
New Zealand Journal of Agriculture
20 August 1938