Glossy Swiftlet (<i>Collocalia esculenta</i>) Book 14 of the 4th edition of Meyers Konversationslexikon (1885–90)
Unknown author<span style="display: none;">Unknown author</span>
circa 1885 <div style="display: none;">date QS:P,+1885-00-00T00:00:00Z/9,P1480,Q5727902</div>
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