Sabatino de Ursis (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sabatino de Ursis" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

1,424^th place

1,680^th place

books.google.com

Udías 2003, p. 40. Udías, Agustín (2003). Searching the Heavens and the Earth: The History of Jesuit observatories. Dordrecht: Kluwer Academic Publisher. ISBN 1-4020-1189-X.

wdl.org

Li, Zhizao (1623). "Chronicle of Foreign Lands". World Digital Library.