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| Part | Date | Title | Status |
|---|---|---|---|
| X-20 | 1972-05 | The Plato IV Architecture | Online |
| X-21 | 1971-05 | An On-Line Document Retreival Strategy Using The PLATO System | Online |
| X-26 | 1972-05 | Digital Data Transmission Via CATV | Online |
| X-27 | 1971-06 | A Large Scale Terminal Output Controller | Online |
| X-37 | 1973-05 | Computer-Based Science Education | Online |
| X-50 | 1978 | PLATO V Programmable Plasma Touch Terminal | Online |