K. Christian-bruhns and G. Joachim, [See also the second biography of Rheticus in the same dictionary, Allgemeine Deutsche Biographie, vol.14, pp.93-9431, 1881.

K. Rheticus, Eine bio-bibliographie, pp.1514-1574, 1967.

F. Cajori, Did Pitiscus use the decimal point? Archeion, pp.313-318, 1923.

D. Danielson, The first Copernican: Georg Joachim Rheticus and the rise of the Copernican Revolution, 2006.

J. Lefrançois-de-lalande, Lettre sur des tables de sinus extrêmement rares, Journal des Sçavans, vol.55, issue.2, pp.291-303, 1771.

A. De and M. , On the first introduction of the words Tangent and Secant, Philosophical Magazine, Series, vol.3, issue.28188, pp.382-387, 1846.

J. Delambre, Histoire de l'astronomie moderne. Paris: Veuve Courcier, 1821. [two volumes, see in particular, on Rheticus and Pitiscus, pp.1-35

T. Fincke and . Geometria-rotundi, Basel: Henric Petri, 1583. [not seen

L. Fousse, G. Hanrot, V. Lefèvre, P. Pélissier, and P. Zimmermann, MPFR, ACM Transactions on Mathematical Software, vol.33, issue.2, 2007.
DOI : 10.1145/1236463.1236468
URL : https://hal.archives-ouvertes.fr/inria-00070266

P. Schöbi-fink, Rheticus ? der erste Kopernikaner, Rheticus ? Wegbereiter der Neuzeit. Eine Würdigung, pp.7-44, 2010.

A. Scultetus, Sphaericorum libri tres methodice conscripti & utilibus scholiis expositi. Heidelberg, 1595. [pp. 157?213 are Pitiscus' Trigonometria: sive de solutione triangulorum, which was expanded in

J. Tropfke, Geschichte der Elementar-Mathematik in systematischer Darstellung, pp.1902-1903

G. Van-brummelen, The mathematics of the heavens and the Earth: the early history of trigonometry, 2009.

A. Vlacq and . Arithmetica-logarithmica, Gouda: Pieter Rammazeyn, 1628. [The introduction was reprinted in 1976 by Olms and the tables were reconstructed by D. Roegel in 2010

A. Vlacq, Trigonometria artificialis. Gouda: Pieter Rammazeyn, 1633. [The tables were reconstructed by D. Roegel in 2010

R. Wolf, Geschichte der Astronomie, volume 16 of Geschichte der Wissenschaften in Deutschland, München: R. Oldenbourg, 1877. [see pp. 343?346 on Rheticus and Pitiscus

R. Wolf, Handbuch der Astronomie : ihrer Geschichte und Litteratur, 1890.

M. C. Zeller, The development of trigonometry from Regiomontanus to Pitiscus, 1944.