I. Birds from Mindoro and small adjacent islands. II. Notes on three rare Luzon birds Notes on three rare Luzon birds McGregor, Richard C. (Richard Crittenden), 1871-1936 creator text book Manila Bureau of Public Printing 1905 1905
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ENG Birds Philippines QL691.P5 M2 Publications (Philippines. Bureau of Government Laboratories), no. 34 https://www.biodiversitylibrary.org/bibliography/24987 10.5962/bhl.title.24987