Thomas S. Kuhn, publisher site The Structure of Scientific Revolutions
Karl R. Popper, Science as Falsification
Bryan G. Wallace, The Farce of Physics
Rochus Boerner, The Suppression of Inconvenient Facts in Physics
Herbert Dingle, Science at the crossroads
Collins, George W. II, The Fundamentals of Stellar Astrophysics, [© Copyright 2003: All sections of this book may be reproduced as long as proper attribution is given. Made available electronically by the NASA Astrophysics Data System (ADS)]. I suggest "Chapter 13: Formation of Spectral Lines" for reading by anyone, particularly any member of The Natural Philosophy Alliance, who doubts the conclusiveness of Willem de Sitter's "An Astronomical Proof of the Constancy of Light Speed"
The wordpress web site of Nihan Pol Relativity (nine part series), a traditional physicist's point of view
The web site of Joseph A. Rybczyk, Millenium Relativity, an alternative site.
An article by Steven Pinker that appeared in The Chronical of Higher Education, "Why Academics Stink at Writing"