The national dairy herd interim census; 1960.
- Great Britain. Milk Marketing Board.
- Date:
- 1961
Licence: Public Domain Mark
Credit: The national dairy herd interim census; 1960. Source: Wellcome Collection.
43/48 (page 41)
Licence: Public Domain Mark
Credit: The national dairy herd interim census; 1960. Source: Wellcome Collection.