Bypassing the GIL for Parallel Processing in Python – Real Python
Diego Barba – Medium
Python Concurrency — Threading and the GIL, by Diego Barba
Speed Up Your Python Program With Concurrency – Real Python
multithreading - Parallelism in python isn't working right - Stack Overflow
Diego Barba – Medium
Threads in Python: Speed Up Python With Concurrency
Python Concurrency — Threading and the GIL, by Diego Barba
Tracing the Python GIL Maarten Breddels' blog