IBM model M 84-key (space saving SSK) 1391472 13 OCT 87 – ClickyKeyboards
A tale of two space saving keyboards. Can you believe the Apple keyboard is even louder then the Model M SSK? : r/MechanicalKeyboards
Microsoft 21Y-00001 Compact (60%), Bluetooth Keyboard Matte Black 21Y-00001 - Best Buy
Evoluent Essentials Full Featured Compact Keyboard
Amazon.com: Macally Small USB Wired Keyboard for Mac and Windows - Budget Apple Keyboard with Numeric Keypad Replacement - Space Saving 2 Zone Design Slim Compact Keyboard for Laptop with Metal Base -
File:Blake Patterson IBM Model M Keyboard space saver open.jpg - Wikimedia Commons
Dboard Compact ALPS Yellow Japanese Space Saving Keyboard SSK Thumb Shift! JIS | eBay