LITTLE MASTERPIECES OF SCIENCE
Christopher Columbus.
Little Masterpieces
of Science
Edited by George Iles
EXPLORERS
| Christopher Columbus | Charles Wilkes |
| Lewis and Clarke | Clarence King |
| Zebulon M. Pike | John Wesley Powell |
Christopher Columbus.
| Christopher Columbus | Charles Wilkes |
| Lewis and Clarke | Clarence King |
| Zebulon M. Pike | John Wesley Powell |