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  1. By: Zimmer, John T. (John Todd),
    Publication info: New York City The American Museum of Natural History [1940]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  2. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1941]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Eloenia  Myiopagis  Peru  South America  Tyrannidae
  3. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1940]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  4. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1941]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  5. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1941]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  6. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1936]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  7. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  8. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  9. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1938]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Cnemotriccus  Mitrephanes  Myiarchus  Peru  South America  Tyrannidae
  10. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1936]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  11. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  12. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1939]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  Ramphotrigon  Rhynchocyclus  South America  Tolmomyias  Tyrannidae
  13. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1939]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae
  14. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1939]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T(85)  Birds  Classification  Peru  South America  Tyrannidae