Planisphere, 30 Degrees North
Planisphere, 30 Degrees South
Pocket Sky Atlas, Second Edition
Portable Newtonian Telescopes
Practical Computer-Aided Lens Design
Rectangular Coordinate Paper
Rotation of the Sun
Schupmann Telescope
Secrets Of Stargazing
Sky & Telescope 2017 Compilation CD
Sky & Telescope April 2020 Magazine
Sky & Telescope December 2020 Magazine
Sky & Telescope January 2020 Magazine
Sky & Telescope July 2020 Magazine
Sky & Telescope March 2020 Magazine
Sky & Telescope March 2022 Magazine
Sky & Telescope November 2020 Magazine
Sky & Telescope October 2020 Magazine
Sky & Telescope September 2020 Magazine
Sky & Telescope's 15-cm Earth Globe
Sky & Telescope's 15-cm Mars Globe
Sky & Telescope's 15-cm Mercury Globe
Sky & Telescope's 15-cm Moon Globe
Sky & Telescope's 15-cm Pluto Globe
