Coba jelasin (Extracts from Finocchiaro (1989)) dari Nicolaus Copernicus dong

Original edition published by Hutchinson (1959, London)

Miłosz, Czesław, The History of Polish Literature, second edition, Berkeley, University of California Press, 1969, .

Mizwa, Stephen, Nicolaus Copernicus, 1543–1943, Kessinger Publishing, 1943.

Dava Sobel, A More Perfect Heaven:  How Copernicus Revolutionized the Cosmos, New York, Walker & Company, 2011, .  Features a fictional play about Rheticus' visit to Copernicus, sandwiched between chapters about the visit's pre-history and post-history.

(A biography of Danish astronomer and alchemist Tycho Brahe.)

Awake! July 22, 2005, p. 14-7, Watchtower Bible and Tract Society of New York, Inc.