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  1. By: Gray, Asa,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: 19th century  Abies  Agassiz, Louis,  Araceae  Asclepiadaceae  Asclepias  Bigelow, John M  Bignoniaceae  Bolander, Henry N  Boott, William,  Botanical specimens  Braun, Alexander,  Brunet, Ovide,  Buckley, S. B  Cactaceae  Callitrichaceae  Callitriche  Candolle, Alphonse de,  Catalpa  Classification  Collection and preservation  Compositae  Coniferae  Correspondence  Darwin, Charles,  Depressions  Description and travel  Eaton, Daniel Cady,  Effect of environment on  Eggert, Henry  Emory, William H  Endlicher, Stephan,  Engelmann, George J  Engelmann, George,  Erigeron  Euphorbia  Euphorbiaceae  Europe  Fagaceae  Fendler, Augustus,  Frémont, John Charles,  German Emperor,  Geyer, Karl Andreas,  Goodale, George L  Gray Herbarium  Gray, Asa,  Greene, Edward Lee,  Gregg, Josiah,  Hall, Elihu,  Harvard University  Harvey, William H  Herbarium  Human beings  Human evolution  Identification  Isoetaceae  Isoetes  Juncaceae  Juncus  Jussieu, Antoine Laurent de,  Kellogg, A  Law and legislation  Leavenworth, Melines Conklin,  Lemna  Lemnaceae  Letters  Lincoln, Abraham,  Lindley, Joh
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  2. By: Bang, Miguel, - Berlandier, Jean Louis - Botteri, Mateo, - Fendler, Augustus, - Forwood, W. H. (William Henry), - Heller, Amos Arthur, - Northrop, Alice Rich, - Northrop, John I., - Palmer, Edward, - Parry, C. C. (Charles Christopher), - Rusby, Henry Hurd, - Schaffner, José Guillermo, - Seaton, H. E. (Henry Eliason), - Tonduz, Adolfo. - Wright, Charles. - Harvard University. Gray Herbarium.
    Publication info: [1856-1898]
    Holding Institution: Harvard University Botany Libraries
    Subjects: Central America  Gray Herbarium  Harvard University  North America  Plants  South America
  3. By: Hoehne, F. C. (Frederico Carlos), - Pennell, Francis W. (Francis Whittier), - Killip, Ellsworth P. (Ellsworth Paine), - Smith, Albert C. (Albert Charles), - Harvard University. Gray Herbarium.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Chile  Colombia  Compositae  Gray Herbarium  Harvard University  Identification  Peru  Plants  
    BHL Collections: BHL Field Notes Project
  4. By: Baker, C. F. - Barber, M. A. (Marshall Albert), - Broadway, Walter Elias, - Brown, Wilmot W. - Bryant, Owen - Collins, Frank S. (Frank Shipley), - Day, Mary Anna, - Deam, Charles Clemon, - Goldsmith, Peter, - Greenman, J. M. (Jesse More), - Groth, B. H. A. (Benno Humbert Alfred), - Heller, Edmund, - Kirkwood, J. E. (Joseph Edward), - Langlassé, Eugène, - Lloyd, Francis Ernest - Lumholtz, Carl, - Nelson, George, - Palmer, Edward, - Peck, Morton Eaton, - Pittier, Henri, - Robinson, Benjamin Lincoln, - Sharples, Stephen Paschall, - Snodgrass, R. E. (Robert E.), - Townsend, Charles Wendell, - Van Dyke, Edwin C., - Wight, Alexander Este, - Harvard University. Gray Herbarium.
    Publication info: [1890-1913]
    Holding Institution: Harvard University Botany Libraries
    Subjects: Canada  Central America  Gray Herbarium  Harvard University  Mexico  Plants  United States  West Indies
  5. By: Apollinaire, frère, - Arthur, frère, - Blake, S. F. (Sidney Fay), - Buchtien, Otto. - Curran, Hugh McCollum, - Haman, Miles, - Hinkley, Frank E., - Holway, E W D - Johnston, John Robert, - Phelps, Orra Almira Parker, - Pringle, Cyrus G. (Cyrus Guernsey), - Rose, J N (Joseph Nelson) - Samuels, Jacob Alexander, - Shepard, Ethel, - Skottsberg, Carl, - Tejera Guevara, Enrique, - Torrey, George Safford, - Whitford, Harry Nichols, - Wilson, Ernest Henry, - Harvard University. Gray Herbarium.
    Publication info: [1903-1923]
    Holding Institution: Harvard University Botany Libraries
    Subjects: Central America  Gray Herbarium  Harvard University  North America  Plants  South America
  6. By: Allison, Andrew, - Broadway, Walter Elias, - Featherstone, William (William B.), - Hitchcock, A. S. (Albert Spear), - Kanehira, Ryōzō, - Macbride, J. Francis (James Francis), - Mitchell, Elizabeth R. (Botanist) - Nelson, Edward William, - Standley, Paul Carpenter, - Steinbach, José, - Harvard University. Gray Herbarium.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Central America  China  Gray Herbarium  Harvard University  Mexico  Peru  Plants  South America  
    BHL Collections: BHL Field Notes Project
  7. By: Bailey, Ethel Zoe, - Bailey, Irving W. (Irving Widmer), - Bailey, L. H. (Liberty Hyde), - Beebe, William, - Broadway, Walter Elias, - Castle, William E. (William Ernest), - Chase, Agnes, - Curtis, Anita G., - Dodge, Carroll W. (Carroll William), - Ekman, Erik Leonard, - Hitchcock, A. S. (Albert Spear), - Linder, David H. (David Hunt), - Pennell, Francis W. (Francis Whittier), - Rose, Ruth, - Standley, Paul Carpenter, - Tucker, Leona Stukey, - Wheeler, William Morton, - Harvard University. Gray Herbarium.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Africa, Sub-Saharan  Arequipa  Búzi River Region (Zimbabwe and Mozambique)  Central America  Cuba  Galapagos Islands  Gray Herbarium  Harvard University  Peru  Plants  South America
    BHL Collections: BHL Field Notes Project
  8. By: D'Heguert, José Saer, - Jahn, Alfredo, - Pittier, Emilio, - Seymour, Frank Conkling, - St. John, Harold, - Harvard University. Gray Herbarium.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Gray Herbarium  Harvard University  Iles-de-la-Madeleine  Long Island  Martha's Vineyard  Massachusetts  New York (State)  Nova Scotia  Pictou (County)  Plants  Québec (Province)  Sable Island  Venezuela  
    BHL Collections: BHL Field Notes Project
  9. By: Allen, O. D., - Ames, Oakes, - Baker, Miss, - Baur, Georg, - Bouck, Lura S., - Brandegee, Townshend Stith, - Collins, J. Franklin (James Franklin) - Commons, Albert, - Congdon, Joseph W. - Conzatti, Cassiano, - Dame, Lorin Low, - Davidson, Anstruther, - Davis, Mr., - Dugés, Alfredo, - Eaton, Thomas Elliot Newton, - Faxon, Charles Edward, - Gerard, J. N., - Greene, Harvey B. (Harvey Bartlett), - Grover, Frederick Orville, - Henderson, L. F. (Louis Fourniquet), - Jones, Marcus E. (Marcus Eugene), - Long, E. C., Mrs., - Macoun, James Melville, - Macoun, John, - Manda, W. A. - Miller, Ellen (Botanist), - Millspaugh, Charles Frederick, - Morton, James Alexander, - Nelson, Edward William, - Pammel, L. H. (Louis Hermann), - Peirce, Mary F., - Pray, Sever, - Sargent, Frederick Leroy, - Seymour, Arthur Bliss, - Smith, Lucio C., - Tatnall, Edward, - Tourney, James William, - Harvard University. Gray Herbarium.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Canada  Galapagos Islands  Gray Herbarium  Harvard University  Mexico  Palestine  Plants  United States  
    BHL Collections: BHL Field Notes Project
  10. By: Barber, Charles M. (Charles Melvin), - Canby, William Marriott, - Combs, Robert, - Conzatti, Cassiano, - Deam, Charles Clemon, - Goldman, Edward Alphonso, - González, Valentín, - Harshberger, John W. (John William), - Holway, E. W. D. (Edward Willet Dorland), - Nelson, Edward William, - Palmer, Edward, - Seler, Eduard, - Seler-Sachs, Caecilie, - Townsend, C. H. T. (Charles Henry Tyler), - Harvard University. Gray Herbarium.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Brazil  Central America  Chihuahua (State)  Compositae  Cuba  Gray Herbarium  Guatemala  Harvard University  Mexico  Plants  Tepic  
    BHL Collections: BHL Field Notes Project
  11. By: Harvard University. Gray Herbarium. - Boston Society of Natural History.
    Holding Institution: Harvard University Botany Libraries
    Subjects: Catalogs and collections  Gray Herbarium  Harvard University  
    BHL Collections: BHL Field Notes Project