Authors: W
- William Haley (2)
- William Hall (2)
- William Hallman (1)
- William Halsey (11)
- William Hamilton (6)
- William Hamilton Gibson (1)
- William Hamilton Maxwell (5)
- William Hanes Ayres (1)
- William Happer (4)
- William Hardy McNeill (1)
- William Hare (1)
- William Hart (1)
- William Hartnell (3)
- William Hartston (2)
- William Hartung (2)
- William Harvard (1)
- William Harvey (17)
- William Hazlett (1)
- William Hazlitt (516)
- William Heberden (1)
- William Hedgcock Webster (3)
- William Hendriksen (2)
- William Henry (2)
- William Henry Ashley (22)
- William Henry Bragg (11)
- William Henry Burleigh (1)
- William Henry Chamberlin (3)
- William Henry Chase (1)
- William Henry Davies (13)
- William Henry Drummond (1)
- William Henry Harrison (17)
- William Henry Hudson (11)
- William Henry Moody (5)
- William Henry O'Connell (4)
- William Henry Ogilvie (2)
- William Henry Pickering (1)
- William Henry Vanderbilt (1)
- William Hepworth Thompson (2)
- William Herbert Carruth (1)
- William Herbert Hobbs (1)
- William Herbert Sheldon (3)
- William Herschel (15)
- William Hesketh Lever (1)
- William Hillcourt (1)
- William Hogarth (8)
- William Holden (13)
- William Holman Hunt (2)
- William Holmes McGuffey (2)
- William Hone (2)
- William Hooper (1)