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- Public Library
- Project Gutenberg
- Microscopes
Microscopes — Audiobooks
The Microscope
by Andrew Ross
Through a Microscope
by Frederick Leroy Sargent , Mary Treat , Samuel Wells
Common Objects of the Microscope
by J. G. (John George) Wood
The Romance of the Microscope
by C. A. (Charles Aubrey) Ealand
Through a pocket lens
by Henry Scherren