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  1. By: Noble, G. Kingsley (Gladwyn Kingsley),‏ ‎ - Richards, Leah B.
    Publication info: New York City, The American Museum of Natural History, [1932]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.79:15,6  Amphibians  Eggs  Endocrine aspects  Life cycles  Northern two-lined salamander  Pituitary gland  Reproduction  Salamanders  Transplantation
  2. By: Noble, G. Kingsley (Gladwyn Kingsley),‏ ‎ - Richards, Leah B.
    Publication info: New York City, American Museum of Natural History, [1930]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.79E:11,492  Amphibians  Endocrine aspects  Life cycles  Northern two-lined salamander  Pituitary gland  Reproduction  Salamanders  Transplantation