Creating a C64 / Atari / Amiga joystick from scratch - come build along! - YouTube
17 Controllers and joysticks ideas | joystick, atari joystick, game controllers
VS-7000 Joystick Review - Lyonsden Blog
Commodore Info Page - Articles: Input devices [en]
Atari Compendium
Zip Stik - Joystick 9 Pin Autofire - Atari ST C64 Amiga - Tested - Zip Stick | eBay
Competition Pro Retro STA - for Atari ST and Commodore Amiga - 2 x Fire - NEW!! | eBay
I will just leave this here! : r/retrogaming
Amazon.com: Retro Classic 3D Analog Joystick Controller for Atari 2600 Joystick, for Atari Flashback Game Control with Operating Button/Four-Way Joystick, for Atari Joystick with Games for Atari 2600 Systems : Video Games
Vintage RGA 1250 Atari Joystick Controller W/ 3 Fire Buttons - Tested & Works | eBay
Atari joystick port - Wikipedia
Immortal Joysticks - High quality, retro, arcade joysticks by Andrew (Amiga for Mortals) — Kickstarter
Build your own Commodore 64 arcade stick - a guide - Retro Games Collector