The C64 Joystick (Electronic Games) : Amazon.co.uk: PC & Video Games
Retronics USB Joystick Adapter and Other Coolness with V-USB | Code and Life
USBJoy2.0 - adapter. Connect your Atari Amiga C64 joystick to PC! Develop your own usb device! - Polish electronics for 3D printers, CNC, robotics, retro computers
USB Joystick Adapters – breadbox64.com
C64 Joystick Adapter | Hackaday
Amazon.com: Retro Games The C64 USB Joystick for PC : Video Games