Lessons on Euclid's Elements, Book I
Table of Contents
Lesson E1 on
Lesson E2 on the
Lesson E3 on
Lesson E4 on the
as Euclid proved it.
Commentary and Problems
Other Systems of Axioms for Euclidean Geometry.
listed on website of Robert Campbell, U British Columnbia
, including the Propositions, listed on website of David Joyce, Clark University.