http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the Commentariolus of Copernicus, his letter against Werner, the Narratio prima of Rheticus
lxvii, 146 leaves : illustrations ; 28 cm.
translated with introduction and notes by Edward Rosen.
Ph. D. Columbia University, New York 1938.