Books in Browsing: Science - Astronomy (sorted alphabetically by author)
- Mars and Its Mystery Edward Sylvester Morse
- An Introduction to Astronomy Forest Ray Moulton
- The Moon: considered as a planet, a world, and a satellite. James Nasmyth and James Carpenter
- Side-Lights on Astronomy and Kindred Fields of Popular Science Simon Newcomb
- The Reminiscences of an Astronomer Simon Newcomb
- Watchers of the Sky Alfred Noyes
- A Field Book of the Stars William Tyler Olcott
- Letters on Astronomy Denison Olmsted
- The Astronomy of Milton's 'Paradise Lost' Thomas Nathaniel Orchard
- Dante and the early astronomers M. A. Orr
- Stars of the southern skies M. A. Orr
- De Wonderbouw der Wereld : De Grondslagen van Ons Sterrekundig Wereldbeeld Populair Uiteengezet (Dutch) Anton Pannekoek
- Stellar atmospheres : A contribution to the observational study of high temperature in the reversing layers of stars Cecilia Payne-Gaposchkin
- The Future of Astronomy Edward C. Pickering
- A Plan for Securing Observations of the Variable Stars Edward C. Pickering
- The Dominion Astrophysical Observatory, Victoria, B.C. J. S. Plaskett
- Ancient calendars and constellations Emmeline M. Plunket
- Eureka: A Prose Poem Edgar Allan Poe
- Stories of Starland Mary Proctor
- Half-hours with the Telescope Richard A. Proctor
- Half-Hours with the Stars Richard A. Proctor
- Flowers of the Sky Richard A. Proctor
- Myths and Marvels of Astronomy Richard A. Proctor
- La terre et la lune: forme extérieure et structure interne (French) P. Puiseux
- New and Original Theories of the Great Physical Forces Henry Raymond Rogers