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  1. By: Michler, N. (Nathaniel),
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  2. By: Batty, Joseph H., - Michler, N. (Nathaniel), - Nelson, Edward William, - Schott, Arthur,
    Publication info: 1899
    Holding Institution: American Museum of Natural History Library
  3. By: United States. Department of the Interior, - United States. Department of the Interior. - Baird, Spencer Fullerton, - Conrad, T. A. (Timothy Abbott), - Wendell, Cornelius, - Emory, William H. - Smillie, James David, - Englemann, George, - Girard, Charles, - Engelmann, George, - Hall, James, - Parry, C. C. (Charles Christopher), - Michler, N. (Nathaniel), - Schott, Arthur, - Torrey, John, - United States. Department of the Interior. Office of the Secretary,
    Publication info: Washington, C. Wendell, printer, 1857-59
    Holding Institution: Multiple institutions
    BHL Collections: Engelmann Herbarium