British birds: key list Irby, L. Howard (Leonard Howard Lloyd), 1836-1905 creator text book London R. H. Porter 1892 1892 2d ed., revised and enlarged.
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ENG Birds Great Britain QL690.G7 I65 1892 https://www.biodiversitylibrary.org/bibliography/13644 6713357 10.5962/bhl.title.13644 AZS