3
by Dick, Steven J.
Templeton Foundation Press

4
by Cooke, Josiah Parsons
University of Virginia Library

5
by Drummond, Henry
Christian Classics Ethereal Library

6
by Draper, John William
Project Gutenberg

7
by White, Andrew Dickson
Project Gutenberg

8
by Griffin, David Ray
Published 2000
State University of New York Press

9
Oxford University Press