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  1. By: Howard, Hildegarde
    Publication info: Washington Carnegie Institution of Washington 1932
    Holding Institution: Smithsonian Libraries and Archives
  2. By: Howard, Hildegarde
    Publication info: New York, N.Y American Museum of Natural History [1964]
    Holding Institution: American Museum of Natural History Library
  3. By: Howard, Hildegarde
    Publication info: 1964
    Holding Institution: American Museum of Natural History Library
  4. By: Howard, Hildegarde - Simpson, George Gaylord, - Scarritt Patagonian Expedition
    Publication info: New York, N.Y American Museum of Natural History [1955]
    Holding Institution: American Museum of Natural History Library
  5. By: Howard, Hildegarde - Scarritt Patagonian Expedition 1930-1931) - Simpson, George Gaylord,
    Publication info: 1955
    Holding Institution: American Museum of Natural History Library
  6. By: Natural History Museum of Los Angeles County. - Los Angeles County Museum. - Natural History Museum of Los Angeles County. - Los Angeles County Museum of Natural History. - Ariss, Robert - Campbell, Kenneth E. (Kenneth Eugene), - Harris, John M. - Hill, Howard R. - Howard, Hildegarde - Martin, Lloyd M. - McLaughlin, Charles A. - Stock, Chester - Wang, Xiaoming - Willett, George. - Natural History Museum of Los Angeles County. - Barnes, Lawrence G. - Berry, William D. - Los Angeles County Museum of Natural History. - Tompkins, Pauline D. - Truxal, Fred S.
    Publication info: Los Angeles Natural History Museum of Los Angeles County 1930-
    Holding Institution: Natural History Museum of Los Angeles County
  7. By: Carnegie Institution of Washington - Schultz, John R. - Howard, Hildegarde - Colbert, Edwin H. - Laudermilk, Jerome Douglass, - Munz, Philip A. (Philip Alexander), - Wilson, Robert W
    Publication info: Washington, D.C Carnegie Institution of Washington 1938
    Holding Institution: Smithsonian Libraries and Archives
  1. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 114
    Date: 1966-12-28
    Page Range: 1--11
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  2. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 172
    Date: 1969-06-30
    Page Range: 1--11
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  3. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 58
    Date: 1962-12-14
    Page Range: 1--24
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  4. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 341
    Date: 1982-05-28
    Page Range: 1--15
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  5. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 73
    Date: 1963-12-30
    Page Range: 1--33
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  6. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 290
    Date: 1978-03-21
    Page Range: 1--26
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  7. By: Howard, Hildegarde - Barnes, Lawrence G.
    Type: Article
    In: Contributions in science
    Volume: 383
    Date: 1987-06-18
    Page Range: 1--9
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  8. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 25
    Date: 1958-08-15
    Page Range: 1--15
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  9. By: Howard, Hildegarde
    Type: Chapter
    In: Collected papers in avian paleontology honoring the 90th birthday of Alexander Wetmore
    Volume: 27
    Date: 1976
    Page Range: 141--146
    Publication Info: Washington, Smithsonian Institution Press, 1976
  10. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 9
    Date: 1957-06-28
    Page Range: 1--16
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  11. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 217
    Date: 1971-11-12
    Page Range: 1--17
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  12. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 94
    Date: 1966-04-04
    Page Range: 1--12
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  13. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 101
    Date: 1966-05-05
    Page Range: 1--8
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  14. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 256
    Date: 1974-05-22
    Page Range: 1--24
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  15. By: Howard, Hildegarde
    Type: Article
    In: Bulletin of the Southern California Academy of Sciences
    Volume: 51
    Date: 1952
    Page Range: 50--54
    Publication Info: Los Angeles, Calif, The Academy, 1902-1971
  16. By: Downs, Theodore - Howard, Hildegarde - Clements, Thomas - Smith, Gerald A
    Type: Article
    In: Contributions in science
    Volume: 29
    Date: 1959-04-14
    Page Range: 1--21
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  17. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 203
    Date: 1970-11-24
    Page Range: 1--12
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  18. By: Howard, Hildegarde - White, John A. (John Anderson),
    Type: Article
    In: Contributions in science
    Volume: 52
    Date: 1962-02-26
    Page Range: 1--12
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  19. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 142
    Date: 1968-06-14
    Page Range: 1--21
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  20. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 107
    Date: 1966-07-22
    Page Range: 1--8
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  21. By: Howard, Hildegarde
    Type: Article
    In: Contributions in science
    Volume: 228
    Date: 1972-06-07
    Page Range: 1-27
    Publication Info: Los Angeles, Calif, The Museum, [1957]-