• Optical Interferometry in Astronomy (1989)
• Comet Halley: Once in a Lifetime (1987)
• The Solar System: Islands in Space (1969)
• The Universe . . . Flight to the Stars (1969)
• Solar Eclipses (1969)
• Sun--Friend or Foe? (1969)
• If You Could See the Earth (1967)
• Man Looks at the Moon (1971)
• Controversy Over the Moon (1971)
• The Moon: A Giant Step in Geology (1976)
• Eclipses of the Sun and Moon (1966)
• A Trip to the Planets (1963)
• The Solar System (2nd Edition) (1977)
• Planets in Orbit: The Laws of Kepler (1960)
• The Night Sky (1969)
• What Is Space? (1961)
• The Universe: Beyond the Solar System (1979)
• Charting the Universe with Optical and Radio Telescopes (1963)
• Solar Eclipse '73 (1974)
• Satellites of the Sun (1975)
• To the Edge of the Universe (1969)
• The Solar System (1970)
• Universe (197?)
• Medieval Universe: The Planets (1975)
• Astronomy (1973)

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