[Credit Lines]
Royal Astronomical Society/Photo Researchers, Inc.
From the book A General History for Colleges and High Schools, 1900
The Watchtower Announcing Jehovah’s Kingdom. January 1, 2011 p. 25
From the book A General History for Colleges and High Schools, 1900
The Watchtower Announcing Jehovah’s Kingdom. April 1, 2005 p. 4