Book Shapiro, Robert (1999)
Planetary dreams: The quest to discover life beyond earth. (/isis/citation/CBB000080135/) unapi

Article Cowham, Mike (1999)
Calendar systems and perpetual calendars. Part 1: Calendar systems. Part 2: Finding Easter. Bulletin of the Scientific Instrument Society (p. 20). (/isis/citation/CBB000080104/) unapi

Book Ferguson, Kitty (1999)
Measuring the universe: The historical quest to quantify space. (/isis/citation/CBB000080109/) unapi

Book Hockey, Thomas (1999)
Galileo's planet: Observing Juptier before photography. (/isis/citation/CBB000080116/) unapi

Article Falk, Michael (1999)
Astronomical names for the days of the week. Journal of the Royal Astronomical Society of Canada (pp. 122-133). (/isis/citation/CBB000080108/) unapi

Article Kissin, Stephen A.; Plotkin, Howard; Bordeleau, André (1999)
The Leeds, Quebec meteorite: Its strange history and a re-evaluation of its identity. Journal of the Royal Astronomical Society of Canada (pp. 135-139). (/isis/citation/CBB000080122/) unapi

Book Whitaker, Ewen A. (1999)
Mapping and naming the Moon: A history of lunar cartography and nomenclature. (/isis/citation/CBB000080139/) unapi

Article Mattig, Wolfgang (1999)
Der Stern, von dem wir leben: Sonnenforschung in Deutschland. Kultur & Technik: Zeitschrift des Deutschen Museums (pp. 11-17). (/isis/citation/CBB000080126/) unapi

Book Wertheim, Margaret (1999)
The pearly gates of cyberspace: A history of space from Dante to the Internet. (/isis/citation/CBB000080138/) unapi

Article Kemp, Cornelia (1999)
“Ach, wie schön ist dieses Gelb!”: Die Sonne in der bildenden Kunst. Kultur & Technik: Zeitschrift des Deutschen Museums (pp. 26-31). (/isis/citation/CBB000080121/) unapi

Article Berninger, Ernst H.; Teichmann, Jürgen; Weitze, Marc-Denis (1999)
Ansichten von Welt und Kosmos: Ein historischer Bilderbogen. Kultur & Technik: Zeitschrift des Deutschen Museums (pp. 11-17). (/isis/citation/CBB000080099/) unapi

Book Brague, Rémi (1999)
La sagesse du monde: Histoire de l'expérience humaine de l'Univers. (/isis/citation/CBB000080101/) unapi

Book Baillie, Mike (1999)
Exodus to Arthur: Catastrophic encounters with comets. (/isis/citation/CBB000080098/) unapi

Book Littmann, Mark; Willcox, Ken; Espenak, Fred (1999)
Totality: Eclipses of the sun. Second edition. (/isis/citation/CBB000080125/) unapi

Book Molnar, Michael R. (1999)
The star of Bethlehem: The legacy of the Magi. (/isis/citation/CBB000080129/) unapi

Book Hollander, Raymond d' (1999)
L'astrolabe: Histoire, théorie et pratique. (/isis/citation/CBB000080117/) unapi

Book Leslie, John (1998)
Modern cosmology and philosophy. (/isis/citation/CBB000080128/) unapi

Book Fisher, David E.; Fisher, Marshall Jon (1998)
Stangers in the night: A brief history of life on other worlds. (/isis/citation/CBB000080111/) unapi

Book Schorn, Ronald A. (1998)
Planetary astronomy: From ancient times to the third millennnium. (/isis/citation/CBB000080134/) unapi

Book The message of the angles: Astrometry from 1798 to 1998: Proceedings of the international spring meeting of the Astronomische Gesellschaft Gotha, May 11-15, 1998, commemorating the first meeting of astronomers at the Seeberg Observatory 200 years ago (1998). (/isis/citation/CBB000080127/) unapi