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  1. By: Allee, W. C. (Warder Clyde), - Gertsch, Willis John, 1906- - Goodnight, Clarence J. (Clarence James), 1914- - Goodnight, Marie Louise, 1916- - Williams, Eliot Churchill, 1913-
    Publication info: 1942
    Holding Institution: American Museum of Natural History Library
  2. By: Archer, Allan Frost, 1908- - Gertsch, Willis John, 1906-
    Publication info: 1942
    Holding Institution: American Museum of Natural History Library
  3. By: Archer, Allan Frost, 1908- - Gertsch, Willis John, 1906-
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  4. By: Arnett, Ross H. - Cazier, Mont A. - Gertsch, Willis John, 1906- - Rindge, Frederick H. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1953
    Holding Institution: American Museum of Natural History Library
  5. By: Barber, Harry Gardner, - Breder, Charles M. (Charles Marcus), 1897- - Cazier, Mont A. - Gertsch, Willis John, 1906- - Oliver, James Arthur, 1914- - Rindge, Frederick H. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1954
    Holding Institution: American Museum of Natural History Library
  6. By: Barber, Harry Gardner, - Cazier, Mont A. - Gertsch, Willis John, 1906- - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1953
    Holding Institution: American Museum of Natural History Library
  7. By: Bell, Ernest Layton. - Gertsch, Willis John, 1906- - Lutz, Frank Eugene, 1879-1943. - Wood, W. C.
    Publication info: 1937
    Holding Institution: American Museum of Natural History Library
  8. By: Bogert, Charles M. (Charles Mitchill), 1908-1992. - Davis, A. M. - Davis, L. Irby. - Gertsch, Willis John, 1906- - Vokes, H. E. (Harold Ernest) - Wagner, Helmuth O.
    Publication info: 1942
    Holding Institution: American Museum of Natural History Library
  9. By: Bogert, Charles M. (Charles Mitchill), 1908-1992. - Gertsch, Willis John, 1906- - Hastings, Richard. - Porter, Ann P.
    Publication info: 1966
    Holding Institution: American Museum of Natural History Library
  10. By: Brignoli, Paolo Marcello - Carico, James E. - Coyle, Frederick A. - Cutler, Bruce, 1943- - Dondale, Charles D. - Forster, Raymond R., 1922- - Francke, Oscar F. - Galiano, Maria Elena. - Gertsch, Willis John, 1906- - Kaston, B. J. (Benjamin Julian), 1906- - Kronestedt, Torbjorn. - Levi, Herbert Walter, 1921- - Lowrie, Donald Charles, 1910- - Maury, Emilio A. - Millidge, A. F. (Alfred Frank) - Minch, Edwin W. - Murphy, John A. - Opell, Brent D. - Peck, William B. - Platnick, Norman I. - Raven, Robert J. - Redner, James H. - Reiskind, Jonathan. - Richman, David B. - Roth, Vincent D. - Shadab, Mohammad Umar. - Shear, William A. - Stahnke, Herbert L. (Herbert Ludwig), 1902- - Valerio, Carlos E. - Van Helsdingen, P. J.
    Publication info: 1981
    Holding Institution: American Museum of Natural History Library
  11. By: Britcher, Henry W. - Chamberlin, Ralph V. (Ralph Vary) - Gertsch, Willis John, 1906- - Lutz, Frank Eugene, 1879-1943.
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  12. By: Cazier, Mont A. - Chamberlin, Ralph V. (Ralph Vary) - Gertsch, Willis John, 1906- - Lerner Marine Laboratory. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1952
    Holding Institution: American Museum of Natural History Library
  13. By: Cazier, Mont A. - Clench, William James, 1897- - Darlington, Philip Jackson, 1904- - Gertsch, Willis John, 1906- - Rindge, Frederick H. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1953
    Holding Institution: American Museum of Natural History Library
  14. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Giovannoli, Leonard. - Hayden, Ellis B. - Rabb, George Bernard, 1930- - Rindge, Frederick H. - Van Voast-American Museum of Natural History Bahama Islands Expedition (1952-1953) - Vaurie, Charles. - Vaurie, Patricia. - Wirth, Willis Wagner.
    Publication info: 1956
    Holding Institution: American Museum of Natural History Library
  15. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - James, Maurice Theodore, 1905- - Rindge, Frederick H. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1953
    Holding Institution: American Museum of Natural History Library
  16. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Lacey, Lionel. - Rindge, Frederick H. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1952
    Holding Institution: American Museum of Natural History Library
  17. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Mayr, Ernst, 1904- - Park, Orlando, 1901-1969. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1954
    Holding Institution: American Museum of Natural History Library
  18. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Metcalf, Z. P. (Zeno Payne), - Oliver, James Arthur, 1914- - Rindge, Frederick H. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1954
    Holding Institution: American Museum of Natural History Library
  19. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Rindge, Frederick H. - Valentine, Barry Dean. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1955
    Holding Institution: American Museum of Natural History Library
  20. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Rindge, Frederick H. - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1952
    Holding Institution: American Museum of Natural History Library
  21. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Strohecker, Henry F. (Henry Frederick), 1905- - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1953
    Holding Institution: American Museum of Natural History Library
  22. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1952
    Holding Institution: American Museum of Natural History Library
  23. By: Cazier, Mont A. - Gertsch, Willis John, 1906- - Vaurie, Charles. - Vaurie, Patricia.
    Publication info: 1952
    Holding Institution: American Museum of Natural History Library
  24. By: Chamberlin, Ralph V. (Ralph Vary) - Gertsch, Willis John, 1906-
    Publication info: 1933
    Holding Institution: American Museum of Natural History Library
  25. By: Chamberlin, Ralph V. (Ralph Vary) - Gertsch, Willis John, 1906-
    Publication info: 1958
    Holding Institution: American Museum of Natural History Library
  26. By: Chamberlin, Ralph V. (Ralph Vary) - Gertsch, Willis John, 1906- - Utah Museum of Natural History.
    Publication info: 1940
    Holding Institution: American Museum of Natural History Library
  27. By: Davis, A. M. - Davis, L. Irby. - Gertsch, Willis John, 1906-
    Publication info: 1940
    Holding Institution: American Museum of Natural History Library
  28. By: Davis, A. M. - Davis, L. Irby. - Gertsch, Willis John, 1906-
    Publication info: 1937
    Holding Institution: American Museum of Natural History Library
  29. By: Davis, A. M. - Davis, L. Irby. - Gertsch, Willis John, 1906- - Sanders, Ottys.
    Publication info: 1940
    Holding Institution: American Museum of Natural History Library
  30. By: Davis, L. Irby. - Gertsch, Willis John, 1906-
    Publication info: 1946
    Holding Institution: American Museum of Natural History Library
  31. By: Davis, L. Irby. - Gertsch, Willis John, 1906-
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  32. By: Davis, L. Irby. - Gertsch, Willis John, 1906- - Mulaik, Stanley.
    Publication info: 1940
    Holding Institution: American Museum of Natural History Library
  33. By: Ennik, Franklin. - Gertsch, Willis John, 1906-
    Publication info: 1983
    Holding Institution: American Museum of Natural History Library
  34. By: Gertsch, Willis John, 1906-
    Publication info: 1964
    Holding Institution: American Museum of Natural History Library
  35. By: Gertsch, Willis John, 1906-
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  36. By: Gertsch, Willis John, 1906-
    Publication info: 1958
    Holding Institution: American Museum of Natural History Library
  37. By: Gertsch, Willis John, 1906-
    Publication info: 1967
    Holding Institution: American Museum of Natural History Library
  38. By: Gertsch, Willis John, 1906-
    Publication info: 1964
    Holding Institution: American Museum of Natural History Library
  39. By: Gertsch, Willis John, 1906-
    Publication info: 1933
    Holding Institution: American Museum of Natural History Library
  40. By: Gertsch, Willis John, 1906-
    Publication info: 1960
    Holding Institution: American Museum of Natural History Library
  41. By: Gertsch, Willis John, 1906-
    Publication info: 1958
    Holding Institution: American Museum of Natural History Library
  42. By: Gertsch, Willis John, 1906-
    Publication info: 1958
    Holding Institution: American Museum of Natural History Library
  43. By: Gertsch, Willis John, 1906-
    Publication info: 1953
    Holding Institution: American Museum of Natural History Library
  44. By: Gertsch, Willis John, 1906-
    Publication info: 1958
    Holding Institution: American Museum of Natural History Library
  45. By: Gertsch, Willis John, 1906-
    Publication info: 1939
    Holding Institution: American Museum of Natural History Library
  46. By: Gertsch, Willis John, 1906-
    Publication info: 1979
    Holding Institution: American Museum of Natural History Library
  47. By: Gertsch, Willis John, 1906-
    Publication info: 1946
    Holding Institution: American Museum of Natural History Library
  48. By: Gertsch, Willis John, 1906-
    Publication info: 1934
    Holding Institution: American Museum of Natural History Library
  49. By: Gertsch, Willis John, 1906-
    Publication info: 1955
    Holding Institution: American Museum of Natural History Library
  50. By: Gertsch, Willis John, 1906-
    Publication info: 1934
    Holding Institution: American Museum of Natural History Library
  51. By: Gertsch, Willis John, 1906-
    Publication info: 1941
    Holding Institution: American Museum of Natural History Library
  52. By: Gertsch, Willis John, 1906-
    Publication info: 1934
    Holding Institution: American Museum of Natural History Library
  53. By: Gertsch, Willis John, 1906-
    Publication info: 1933
    Holding Institution: American Museum of Natural History Library
  54. By: Gertsch, Willis John, 1906-
    Publication info: 1932
    Holding Institution: American Museum of Natural History Library
  55. By: Gertsch, Willis John, 1906-
    Publication info: 1937
    Holding Institution: American Museum of Natural History Library
  56. By: Gertsch, Willis John, 1906-
    Publication info: 1939
    Holding Institution: American Museum of Natural History Library
  57. By: Gertsch, Willis John, 1906-
    Publication info: 1942
    Holding Institution: American Museum of Natural History Library
  58. By: Gertsch, Willis John, 1906-
    Publication info: 1935
    Holding Institution: American Museum of Natural History Library
  59. By: Gertsch, Willis John, 1906-
    Publication info: 1960
    Holding Institution: American Museum of Natural History Library
  60. By: Gertsch, Willis John, 1906-
    Publication info: 1933
    Holding Institution: American Museum of Natural History Library
  61. By: Gertsch, Willis John, 1906-
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  62. By: Gertsch, Willis John, 1906-
    Publication info: 1941
    Holding Institution: American Museum of Natural History Library
  63. By: Gertsch, Willis John, 1906-
    Publication info: 1934
    Holding Institution: American Museum of Natural History Library
  64. By: Gertsch, Willis John, 1906- - Goodnight, Clarence J. (Clarence James), 1914- - Goodnight, Marie Louise, 1916- - Lutz, Frank Eugene, 1879-1943. - Schmidt, Karl Patterson,
    Publication info: 1943
    Holding Institution: American Museum of Natural History Library
  65. By: Gertsch, Willis John, 1906- - Grand Canyon Entomological Expedition (1934) - Lutz, Frank Eugene, 1879-1943. - Mulaik, Stanley.
    Publication info: 1935
    Holding Institution: American Museum of Natural History Library
  66. By: Gertsch, Willis John, 1906- - Ivie, Wilton, 1907-
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  67. By: Gertsch, Willis John, 1906- - Ivie, Wilton, 1907-
    Publication info: 1955
    Holding Institution: American Museum of Natural History Library
  68. By: Gertsch, Willis John, 1906- - Jellison, William Livingston, 1906-
    Publication info: 1939
    Holding Institution: American Museum of Natural History Library
  69. By: Gertsch, Willis John, 1906- - Lowrie, Donald Charles, 1910- - New York Zoological Society.
    Publication info: 1955
    Holding Institution: American Museum of Natural History Library
  70. By: Gertsch, Willis John, 1906- - Mulaik, Dorothea. - Mulaik, Stanley.
    Publication info: 1939
    Holding Institution: American Museum of Natural History Library
  71. By: Gertsch, Willis John, 1906- - Mulaik, Stanley.
    Publication info: 1940
    Holding Institution: American Museum of Natural History Library
  72. By: Gertsch, Willis John, 1906- - Mulaik, Stanley.
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  73. By: Gertsch, Willis John, 1906- - Mulaik, Stanley.
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  74. By: Gertsch, Willis John, 1906- - Mulaik, Stanley. - Steckler, Peter. - Wallace, Howard K.
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  75. By: Gertsch, Willis John, 1906- - Muma, Martin H. (Martin Hammond), 1916-
    Publication info: 1964
    Holding Institution: American Museum of Natural History Library
  76. By: Gertsch, Willis John, 1906- - Platnick, Norman I.
    Publication info: 1976
    Holding Institution: American Museum of Natural History Library
  77. By: Gertsch, Willis John, 1906- - Platnick, Norman I.
    Publication info: 1975
    Holding Institution: American Museum of Natural History Library
  78. By: Gertsch, Willis John, 1906- - Platnick, Norman I.
    Publication info: 1980
    Holding Institution: American Museum of Natural History Library
  79. By: Gertsch, Willis John, 1906- - Puritan-American Museum of Natural History Expedition to Western Mexico (1957)
    Publication info: 1958
    Holding Institution: American Museum of Natural History Library
  80. By: Gertsch, Willis John, 1906- - Riechert, Susan E.
    Publication info: 1976
    Holding Institution: American Museum of Natural History Library
  81. By: Gertsch, Willis John, 1906- - Soleglad, Michael E.
    Publication info: 1972
    Holding Institution: American Museum of Natural History Library
  82. By: Gertsch, Willis John, 1906- - Soleglad, Michael E.
    Publication info: 1966
    Holding Institution: American Museum of Natural History Library
  83. By: Gertsch, Willis John, 1906- - Wallace, Howard K.
    Publication info: 1937
    Holding Institution: American Museum of Natural History Library
  84. By: Gertsch, Willis John, 1906- - Wallace, Howard K.
    Publication info: 1935
    Holding Institution: American Museum of Natural History Library
  85. By: Gertsch, Willis John, 1906- - Wallace, Howard K.
    Publication info: 1936
    Holding Institution: American Museum of Natural History Library
  86. By: Gertsch, Willis John, 1906- - Williams, Eliot Churchill, 1913-
    Publication info: 1941
    Holding Institution: American Museum of Natural History Library