Second Generation Mainframes: The IBM 7000 Series: Kaisler

Airborne Computing System Developments at Elliott-Automation, 1958–1988

IBM 7090 - Wikipedia

The Second Generation

Mainframes

Second Generation Mainframes: The IBM 7000 Series - Cambridge Scholars Publishing

The Second Generation

IBM 700/7000 series - Wikiwand

Chuck's Computer Career

IBM 704 - Wikiwand