Collins, J. Franklin (James Franklin) 1863-1940, Grout, A. J. 1867-1947, Hadley, Sarah B., Halsted, Byron D. (Byron David), 1852-1918, Handy, Benjamin Jones, Handy, Louise Holmes, 1876-1956, Handy, Susan Elizabeth, Harshberger, John W, Hartwell, Marjorie B., Harvey, F. L. (Francis Leroy), 1850-1900, Hay, G. U. (George Upham), 1843-1912, Haynes, Caroline Coventry, 1858-1951, Heller, Amos Arthur, 1867-1944, Hervey, E. W. (Eliphalet Williams), 1834-1925, Hill, J. Irving, Hitchcock, A. S. (Albert Spear), 1865-1935, Holden, Isaac, Holzinger, J. M. (John Michael), 1853-1929, Hood, Samuel Clarke, Hope, Thomas, Horr, Ella Louise, Howe, Reginald Heber, Jr., 1875-1932, Howell, Thomas, 1842-1912, Hoxie, Nellie H. M., Hull, S. E., Hunt, Ellen G., Huntington, John Warren, Husnot, T. (Tranquille), 1840-1929, Harvard University Botany Libraries, Collins, J. Franklin (James Franklin) 1863-1940, Grout, A. J. 1867-1947, Hadley, Sarah B., Halsted, Byron D. (Byron David), 1852-1918, Handy, Benjamin Jones, Handy, Louise Holmes, 1876-1956, Handy, Susan Elizabeth, Harshberger, John W, Hartwell, Marjorie B., Harvey, F. L. (Francis Leroy), 1850-1900, Hay, G. U. (George Upham), 1843-1912, Haynes, Caroline Coventry, 1858-1951, Heller, Amos Arthur, 1867-1944, Hervey, E. W. (Eliphalet Williams), 1834-1925, Hill, J. Irving, Hitchcock, A. S. (Albert Spear), 1865-1935, Holden, Isaac, Holzinger, J. M. (John Michael), 1853-1929, Hood, Samuel Clarke, Hope, Thomas, Horr, Ella Louise, Howe, Reginald Heber, Jr., 1875-1932, Howell, Thomas, 1842-1912, Hoxie, Nellie H. M., Hull, S. E., Hunt, Ellen G., Huntington, John Warren, and Husnot, T. (Tranquille), 1840-1929