Sinclair ZX Spectrum +3 personal computer, launched in the UK in 1987. It was the first Spectrum model to feature a built-in 3 inch floppy disc drive Stock Photo - Alamy
The Sinclair ZX Spectrum Turns 40 | Hackaday
Do you remember the ZX Spectrum? It was his powerful hardware in the 80s - iGamesNews
The majesty of ZX Spectrum loading screens | Den of Geek
ZX SPECTRUM Computer with LO-PROFILE PROFESSIONAL KEYBOARD | eBay
Meet the ZX Spectrum, a breakthrough home computer of the '80s - CNET
ZX Spectrum - Wikipedia
ZX Spectrum UDS - Full Spectrum Chiptune Samples – Soundpaint
ZX Spectrum at 40: a look back
ZX Spectrum for sale | eBay
Power Supply for Sinclair ZX Spectrum +2 (Grey) – Retro Game Supply
Bluetooth ZX Spectrum: Recreating the Sinclair ZX Spectrum by Elite Systems Ltd — Kickstarter
The ZX Spectrum Book - Kindle edition by Imagine Publishing. Humor & Entertainment Kindle eBooks @ Amazon.com.
The Sinclair ZX Spectrum Turns 40 | Hackaday
Sinclair ZX Spectrum: a visual compendium– Bitmap Books
Uncle Clive's Greatest Hit: The ZX Spectrum - Raspberry Pi
How to Buy and Use a ZX Spectrum in America: A Primer from Across the Pond | Retronauts
Clive Sinclair and the offbeat brilliance of the ZX Spectrum | Retro games | The Guardian