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  1. By: Gray, Asa, - Wilcox, Thomas Erastus, - Williams, S. Wells (Samuel Wells), - Williamson, William Crawford, - Winsor, Justin, - Winthrop, Robert C. (Robert Charles), - Woolson, George C., - Wright, Albert A. (Albert Allen), - Wright, G. Frederick (George Frederick), - Wright, Samuel Hart, - Wright, William Greenwood, - Wiley & Putnam,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: Harvard University Herbarium, Botany Libraries
  2. By: Wright, G. Frederick (George Frederick), - Upham, Warren,
    Publication info: Oberlin, O.,Bibliotheca Sacra Company,1911.
    Holding Institution: Smithsonian Libraries
  3. By: Wright, G. Frederick (George Frederick), - Haynes, Henry W. (Henry Williamson),
    Edition: 2d ed.
    Publication info: New York :D. Appleton and Co.,1895.
    Holding Institution: Smithsonian Libraries
  1. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1880-03-19
  2. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1878-04-08
  3. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1880-05-18
  4. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1880-05-18
  5. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1877-06-05
  6. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1876-10-31
  7. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1875-06-26
  8. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1876-03-14
  9. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1876-09-25
  10. By: Wright, G. Frederick (George Frederick),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1900-01-02