- Willey, Basil, 1897-1978 (4)
- Drummond, Henry, 1851-1897 (2)
- Royce, Josiah, 1855-1916 (2)
- Aiken. Henry D. (1)
- Clark, Kelly James, 1956- (1)
- Comenius, Johann Amos, 1592-1670 (1)
- Duns Scotus, John, ca. 1266-1308 (1)
- Hume, David, 1711-1776 (1)
- Kluxen, Wolfgang, 1922- (1)
- Voigt, Uwe, 1965- (1)