The dependence of Euklid's propositions upon his axioms and postulates
A 1907 master's thesis by Emma Brown Connelly at the University of Illinois, examining how Euclid's propositions rest on his axioms and postulates. The 41 plates are hand-drawn line diagrams in ink on cream paper: rays from a point O, triangles, and lettered intersections, useful as loose geometric linework or manuscript-style figure ornaments.
