The Python/C API: Release 3.6.4
Guido van Rossum & Python Development Team
Derived categories and their applications - Essay
María Julia Redondo & Andrea Solotar
Fluent Python
Luciano Ramalho
Owning Your Own Shadow: Understanding the Dark Side of the Psyche
Robert A. Johnson
History of the Royal Society
Thomas Sprat
The Python Language Reference Manual
Guido van Rossum & Fred L. Jr. Drake