Tensors, Differential Forms, and Variational Principles
A first course in general relativity
Classical mechanics(1)
Introduction to Spacetime.pdf
Dummit and Foote - Abstract Algebra
Replect
access.pdf
Introduction to Representation Theory
Commutative Algebra
Core Matrix Analysis
Bearden - Tech papers - Novel Principles in the Rife Microscope (Updated 10-12-03)