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  1. By: Friedmann, H
    Type: Article
    In: The journal of the Bombay Natural History Society.
    Volume: 71
    Date: 1976
    Page Range: 426--432
    Publication info: Bombay :Bombay Natural History Society,1886-
  2. By: Friedmann, H
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 25
    Date: 1935
    Page Range: 44--51
    Publication info: Washington [etc.,Washington Academy of Sciences]
  3. By: Friedmann, H
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 27
    Date: 1937
    Page Range: 431--438
    Publication info: Washington [etc.,Washington Academy of Sciences]
  4. By: Friedmann, H
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 24
    Date: 1934
    Page Range: 83--96
    Publication info: Washington [etc.,Washington Academy of Sciences]
  5. By: Friedmann, H
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 24
    Date: 1934
    Page Range: 230--237
    Publication info: Washington [etc.,Washington Academy of Sciences]
  6. By: Friedmann, H
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 46
    Date: 1933
    Page Range: 187--189
    Publication info: Washington,Biological Society of Washington
  7. By: Friedmann, H
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 46
    Date: 1933
    Page Range: 199--199
    Publication info: Washington,Biological Society of Washington
  8. By: Friedmann, H - Keith, S
    Type: Article
    In: Bulletin of the British Ornithologists' Club.
    Volume: 88
    Date: 1968
    Page Range: 112--112
    Publication info: London :British Ornithologists' Club,1893-
  9. By: Friedmann, H - Bowen, W W
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 46
    Date: 1933
    Page Range: 121--122
    Publication info: Washington,Biological Society of Washington
  10. By: Friedmann, H
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 41
    Date: 1928
    Page Range: 93--95
    Publication info: Washington,Biological Society of Washington
  11. By: Friedmann, H - Deignan, H G
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 29
    Date: 1939
    Page Range: 287--291
    Publication info: Washington [etc.,Washington Academy of Sciences]
  12. By: Williams, J G - Friedmann, H
    Type: Article
    In: Bulletin of the British Ornithologists' Club.
    Volume: 85
    Date: 1965
    Page Range: 21--22
    Publication info: London :British Ornithologists' Club,1893-
  13. By: Friedmann, H
    Type: Article
    In: Bulletin of the British Ornithologists' Club.
    Volume: 88
    Date: 1968
    Page Range: 110--112
    Publication info: London :British Ornithologists' Club,1893-
  14. By: Friedmann, H
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 45
    Date: 1932
    Page Range: 65--66
    Publication info: Washington,Biological Society of Washington