ArXiv Statistical Mechanics - Recent papers and preprints in Statistical Mechanics. arxiv.org/list/cond-mat.stat-mech/recent
Boltzmann Transport Equation - A paper by Uri Lachish studying transport phenomena: currents and transport coefficients; thermally induced diffusion. urila.tripod.com/Boltzmann.htm
Entropy - Online journal intended for collegiate audiences. Provides links to web-based articles as well as some "basic" lessons on entropy. www.mdpi.org/entropy
History of Statistical Physics - A short review by D. Flamm of the history of statistical physics. arxiv.org/abs/physics/9803005
Introduction to Macromolecular Simulation - HTML notes by Peter J. Steinbach on the application of statistical mechanics to the structure and dynamics of biomolecules. cmm.info.nih.gov/intro_simulation/course_for_html.html
King's College London - Statistical Mechanics and Quantum Probability Group. Staff and preprints. www.mth.kcl.ac.uk/research/statphys
Statistical Mechanics in a Nutshell - Lecture notes by Jochen Rau from a course on "Transport Theory" taught at Dresden University. arxiv.org/abs/physics/9805024
What Does Negative Temperature Mean? - A short article from USENET Physics FAQ. math.ucr.edu/home/baez/physics/ParticleAndNuclear/neg_temperature.html
PC3213 - Online lecture notes for an undergraduate course in statistical mechanics. www.physics.nus.edu.sg/~phyhuana/course.html