New Zealand Journal of Agriculture
15 April 1948
New Zealand Journal of Agriculture
15 April 1953
New Zealand Journal of Agriculture
15 July 1947
New Zealand Journal of Agriculture
15 June 1957
New Zealand Journal of Agriculture
16 April 1956
New Zealand Journal of Agriculture
15 December 1945
New Zealand Journal of Agriculture
16 January 1950
New Zealand Journal of Agriculture
15 February 1958
New Zealand Journal of Agriculture
15 June 1949
New Zealand Journal of Agriculture
15 January 1947