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Credit
The complete cattle doctor : a treatise on the diseases of horned cattle and calves, written in plain language, which those who can read may easily understand : the whole being the result of seventy years extensive practice of the author / John C. Knowlson. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)