Free to read

Richard P. Stanley

3 free books by Richard P. Stanley.

Algebraic Combinatorics: Walks, Trees, Tableaux, and More
course edition cited: 2018 · Read at math.mit.edu ↗ · Assigned in 1 MIT course
Enumerative Combinatorics, Volume 1
Second edition (2011) · 2011 · Read at math.mit.edu ↗
Hyperplane Arrangements
2006 · 2006 · Read at math.mit.edu ↗