New Zealand Journal of Agriculture
15 February 1955
New Zealand Journal of Agriculture
15 April 1947
New Zealand Journal of Agriculture
15 January 1955
New Zealand Journal of Agriculture
15 June 1957
New Zealand Journal of Agriculture
15 May 1947
New Zealand Journal of Agriculture
15 October 1941
New Zealand Journal of Agriculture
15 November 1941
New Zealand Journal of Agriculture
15 August 1941
New Zealand Journal of Agriculture
15 September 1941
New Zealand Journal of Agriculture
15 July 1941
New Zealand Journal of Agriculture
15 April 1949