A letter to Mark Milbank, Esq. M.P. of Thorp Hall, and Barningham, in the County of York, with two plates descriptive of the character of the whistling swan, and of the peculiar structure of its trachea / [Anon].

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A letter to Mark Milbank, Esq. M.P. of Thorp Hall, and Barningham, in the County of York, with two plates descriptive of the character of the whistling swan, and of the peculiar structure of its trachea / [Anon]. Public Domain Mark. Source: Wellcome Collection.