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  1. By: Johnson, Richard Irwin,
    Publication info: Cambridge, Mass, Dept. of Mollusks, Museum of Comparative Zoology, Harvard University, 1974
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: 1792-1886  Lea, Isaac,  Mollusks  Type specimens  Unionidae  Unionidae, Fossil
  2. By: Lea, Isaac,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: 1792-1886  1809-1884  Correspondence  Engelmann, George,  Fagaceae  Lea, Isaac,  Letters  Quercus  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  3. By: Lea, M. Carey (Mathew Carey),
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: (Henry),  (Mathew Carey),  1792-1886  1809-1884  1823-1887  1823-1897  Baird, Spencer Fullerton,  Botanical specimens  Correspondence  Engelmann, George,  King, H  Lea, Isaac,  Lea, M. Carey  Letters  M.D  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  4. By: Tryon, George W., (George Washington),
    Publication info: Philadelphia Bryson's Printing Rooms [1861]
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: 1792-1886  Bibliography  Contributions in marine biology  Lea, Isaac,  Mollusks