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UvA Computermuseum
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TI-99/4A - Wikipedia
Texas Instruments Home Computers (1979-1984) – Westport Tech Museum
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Texas Instruments Portable Professional Computer
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A brief history of the Texas Instruments 99/4A and the home computer price war of the 1980s - YouTube
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Texas Instruments PC-100A (1976) - Texas Instruments - LastDodo
File:Printer PC-100A and programmable calculator TI-59.jpg - Wikipedia
Amazon.com: Texas Instruments Home Computer 99/4A : Video Games
