The Santa Gertrudis Past, Present and Future. An Address by Professor Jan C.Bonsma…at the annual meeting of Santa Gertrudis Breeders International, San Antonio Texas

Grimwade, Andrew S., The Santa Gertrudis Past, Present and Future. An Address by Professor Jan C.Bonsma…at the annual meeting of Santa Gertrudis Breeders International, San Antonio Texas (10 April 1965), [UMA-IT-000039902]. University of Melbourne Archives, accessed 20/03/2026, https://archives.library.unimelb.edu.au/nodes/view/504307