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- Author(s):
- Watkins, Tobias, 1780-1855
- Publication:
- Washington : Printed by Davis & Force, 1826
- Subject(s):
- Science
Knowledge
- Author(s):
- Gibbons, Henry, 1808-1884
- Publication:
- Wilmington, Del. : Printed by Porters and Mitchell, 1833
- Subject(s):
- Knowledge
Science