Calixte III et la comète de Halley.
Series: Specola astronomica vaticana. [Pubblicazioni, ser. 2, v.2, n.] 2
Publisher: Tip. poliglotta vaticana
Published: 1909
Place of publication: Roma
Language: fre
Number of pages: 40
Subjects: Callixtus III, Pope, 1378-1458.; Halley's comet.