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  1. By: Koelz, Walter,
    Publication info: New York American Museum of Natural History [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.82(58)  Asia, Central  Birds  Classification  Koelz, Walter,  Natural history collections  South Asia
  2. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.88,1S(5)  Asia  Asia, Central  Birds  Classification  Creepers (Birds)  Koelz, Walter,  Middle East  Natural history collections  Nuthatches  South Asia  
  3. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York American Museum of Natural History [1951]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.88,1H(5W)  Asia  Asia, Central  Birds  Classification  Feathers  Koelz, Walter,  Middle East  Molting  Natural history collections  South Asia  Swallows
  4. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York American Museum of Natural History [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.88.1P(54)  Asia  Asia, Central  Birds  Classification  Koelz, Walter,  Middle East  Natural history collections  Paridae  Parus  South Asia  Titmice
  5. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.86P(5SW)  Asia, Central  Birds  Classification  Koelz, Walter,  Middle East  Molting  Natural history collections  Pheasants  South Asia  
  6. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.88,1P(54)  Asia, Central  Birds  Classification  Eurasia  Koelz, Walter,  Middle East  Natural history collections  Prunellidae  South Asia  
  7. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.88.1(58)  Asia  Asia, Central  Birds  Classification  Dippers (Birds)  Koelz, Walter,  Middle East  Natural history collections  South Asia  Wrens  
  8. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1952]
    Holding Institution: American Museum of Natural History Library
    Subjects: 1895-1989  59.88,1I  Aegithina nigrolutea  Aegithina tiphia  Birds  Classification  Feathers  Koelz, Walter,  Molting  Natural history collections  South Asia  Southeast Asia