| Amended by: |
- N26-0057, TNL for C26-5774-0, IBM 1620 Monitor II System Reference Manual (1964-01-20)
- N26-0064, TNL for C26-5774-0, IBM 1620 Monitor II System Reference Manual (1964-02-20)
- N26-0080, TNL for C26-5774-0, IBM 1620 Monitor II System Reference Manual (1964-05-22)
- N26-0091, TNL for C26-5774-0, IBM 1620 Monitor II System Reference Manual (1964-10-01)
- N26-0095, TNL for C26-5774-0, IBM 1620 Monitor II System Reference Manual (1964-12-14)
- N26-0111, TNL for C26-5774-0, IBM 1620 Monitor II System Reference Manual (1965-04-16)
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