Authors: L
- Hare, T. Leman (Thomas Leman) 1872-1935
- Hare, William Loftus 1868-1943
- Hargrove, Henry Lee -
- Harker, L. Allen (Lizzie Allen) 1863-1933
- Harlan, Byron G. 1861-1936
- Harland, Henry 1861-1905
- Harlow, Lewis D. (Lewis Davis) 1818-1895
- Harms, Louis 1808-1865
- Harness, Charles L. 1915-2005
- Harr, Lew Lysle 1882-
- Harrods Ltd. -
- Hartshorne, Henry 1823-1897
- Harvey, Frederick L. (Frederick Loviad) 1856-1923
- Haseman, Leonard 1884-1969
- Hasse, Henry 1913-1977
- Hastings, H. L. (Horace Lorenzo) 1831-1899
- Hastings, Howard L. (Howard Livingston) 1887-1955
- Haussonville, comte d' 1843-1924
- Havell, H. L. (Herbert Lord) -1913
- Haven, Alice B. (Alice Bradley) 1827-1863
- Haverfield, Eleanor Luisa 1870-
- Haviland, Laura S. (Laura Smith) 1808-1898
- Hawks, Francis L. (Francis Lister) 1798-1866
- Haworth, Paul Leland 1876-1936
- Haydon, A. L. (Arthur Lincoln) 1872-1964
Sort By: