File:Commodore Plus-4 with 1551.jpg - Wikimedia Commons
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Commodore Datasette - Wikipedia
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Commodore Plus/4, 16, 264, 364 “TED” Series - The Beginning of the End | Commodore Computers: C64 VIC20 PET C128 Plus4 - 8 Bit PC's
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Programmer's Reference Guide for the Commodore Plus 4 (1986)(Scott Foresman & Co) : Free Download, Borrow, and Streaming : Internet Archive
Commodore Plus /4 - Black Screen Repair and Testing - YouTube
Is Commodore is Awesome (CiA) dead ? – Vintage is The New Old
TOSEC: Commodore C16, C116 & Plus-4 (2012-04-23) : Free Download, Borrow, and Streaming : Internet Archive
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Commodore Plus/4 - C64-Wiki
Commodore C16 Plus4 Reference Book : Free Download, Borrow, and Streaming : Internet Archive
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VERY RARE French Canadian Commodore +4 (not PLUS 4) Computer PLEASE READ DESCR. | eBay
