A generalization of Neuberg's Theorem
A generalization of the Simson-Wallace line
Ellipse by Reference Triangle (Kindly sent to me in January 2010 by Hungarian geophysicist Sandor Szanto, e-mail: firstname.lastname@example.org)
Download an article of mine from the Mathematical Gazette (2002) giving proofs of all the results above from From nested Miquel triangles to Miquel distances
Michael de Villiers, 21 January 2010.