<i>Natural History of the Nightingale</i>, by <a href="https://en.wikipedia.org/wiki/John_Legg_(ornithologist)" class="extiw" title="en:John Legg (ornithologist)">John Legg</a>. Published in <i>The Lady's Magazine</i>, volume 10 (1779), pp. 402-405; 528-531.
<a href="https://en.wikipedia.org/wiki/John_Legg" class="extiw" title="en:John Legg">John Legg</a>
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