Knuth D.E. TeX: The Program

New York: Addison-Wesley, 2021. — 619 p.Supplementary Bibliography
How to Read a WebThe character set
Input and output
String handling
On-line and off-line printing
Reporting errors
Arithmetic with scaled dimensions
Packed data
Dynamic memory allocation
Data structures for boxes and their friends
Memory layout
Displaying boxes
Destroying boxes
Copying boxes
The command codes
The semantic nest
The table of equivalents
The hash table
Saving and restoring equivalents
Token lists
Introduction to the syntactic routines
Input stacks and states
Maintaining the input stacks
Getting the next token
Expanding the next token
Basic scanning subroutines
Building token lists
Conditional processing
File names
Font metric data
Device-independent file format
Shipping pages out
Packaging
Data structures for math mode
Subroutines for math mode
Typesetting math formulas
Alignment
Breaking paragraphs into lines
Breaking paragraphs into lines, continued
Pre-hyphenation
Post-hyphenation
Hyphenation
Initializing the hyphenation tables
Breaking vertical lists into pages
The page builder
The chief executive
Building boxes and lists
Building math lists
Mode-independent processing
Dumping and undumping the tables
The main program
Debugging
Extensions
System-dependent changes