Cambridge, Mass.: Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University, 1995.
Cambridge, Mass.: Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University, 1991.
Cambridge, Mass.: Bird Dept., Museum of Comparative Zoology, Harvard University, 1988.
Cambridge, Mass.: Bird Dept., Museum of Comparative Zoology, Harvard University, 1997.
Cambridge, Mass.: Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University, c1993.
Cambridge, Mass.: Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University, 1989.
Cambridge, Mass.: Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University, 1994.
Cambridge, Mass.: Bird Dept., Museum of Comparative Zoology, Harvard University, 1982.
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