1. G. Bennett, Andrew Gibson, and William Sherwin, 1835 -Reports on the Epidemic Catarrh or Influenza Prevailing Among Sheep in the Colony of New South Wales in the Year 1935 Prepared by Direction of Governor Bourke and Submitted to the Colonial Secretary. Stephens and Stokes; Sydney.
2. A. Blacklock, 1841 -"A Treatise on Sheep". London.