Includes Wittich's personal notes in the margins and bound in at the end of the printed book. After his death in 1586, this copy was owned by Tycho Brahe. See Gingerich, O. (20 May. 2022). An Annotated Census of Copernicus' De revolutionibus. Leiden, The Netherlands: Brill. https://doi.org/10.1163/9789004502611 pp.105-8