GitHub - DandelionSprout/Russian-Extended: Keyboard layout for all major Cyrillic languages in existence, and most of the minor ones as well.
Russian Keyboard Cover For Macbook Pro Retina 12 13 15 16 Inch Silicone Skin For Macbook Air 11 13 Russian/english Cyrillic - Keyboard Covers - AliExpress
Amazon.com: (2PCS Pack) Russian Keyboard Stickers, Keyboard Letters Replacement Stickers Russian Black Background with Blue Lettering for PC Computer Laptop Notebook Desktop Keyboards(Russian-Blue) : Electronics
Magic Keyboard with Numeric Keypad for Mac models - Apple
Russian is way easier than you think: Typing in Russian - Russia Beyond
Amazon.com: Aramedia Cyrillic - Russian - English USB Wired Computer Keyboard (Black) SimplyPlugo Brand Black Background Keys with White - Off White Letters or Characters : Electronics
Russian Language Keyboard Cover for all Mac Keyboards
Russian Keyboard Online with Spell Check (Cyrillic Virtual Keyboard)