Authors: w
- Hartmann, Walther Georg 1892-1970
- Hartstonge, Matthew Weld 1772-
- Hartt, Irene W. -
- Hart, W. H. (William Henry) -1888
- Hart, William J. (William John) 1866-1943
- Hart, William S. (William Surrey) 1864-1946
- Harvey, F. W. (Frederick William) 1888-1957
- Harvey, William 1874-1936
- Harvey, William 1796-1866
- Harvey, William 1578-1657
- Harvey, William Alexander 1874-1951
- Harvey, William Frederick 1853-
- Harvey, William Fryer 1885-1937
- Haselden, William 1872-1953
- Haseltine, Robert W. -
- Hasenclever, Walter 1890-1940
- Haskell, Helen 1951-
- Haskett Smith, W. P. (Walter Parry) 1859-1946
- Haskins, Charles Warren 1825-1904
- Haslam, W. E. -
- Haslam, W. (William) 1818-1905
- Haslehust, E. W. 1866-1949
- Hassell, Susan Whitcomb -
- Hasselt, Willem Jan Cornelis van 1795-1864
- Hastie, W. (William) 1842-1903
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