- The PostgreSQL Reference Manual Volume 1: SQL Language Reference
- PostgreSQL 9.0 Official Documentation - Volume II. Server Administration
- PostgreSQL 11 Documentation Manual Version 11.2: Volume 1 Chapters 1-36
- PostgreSQL 11 Documentation Manual Version 11.2: Volume 3 Chapters 51-70 & Appendixes
- PostgreSQL 11 Documentation Manual Version 11.2: Volume 2 Chapters 37-50 & Reference