Gvidivbaldi è marchionibvs Montis Perspectivae libri sex (1600)
Monte, Guido Ubaldo, marchese del, 1545-1607 · Pisavri : Apud Hieronymum Concordiam · leaf 225
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Perspective
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
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