Reference material

Components

• Tektronix Semiconductor Cross Reference (PDF)
• Tek-made Integrated Circuits Catalog
• Tektronix Semiconductor Design Catalog (PDF)
• 1970 Tektronix Parts Price List (PDF)

Fundamentals

• "Operational Amplifiers and their Applications" (PDF)
• Semiconductor Diodes and Transistors Programmed Instruction (PDF)

Circuits and Concepts

• "Some Basic Vacuum Tube Circuits used in Tektronix Instruments" by John Mulvey
• Artur Seibt's Handbook of Oscilloscope Technology
• Peter D. Hiscocks "Oscilloscope Development, 1943-57"
• See also the Concepts Series books

Maintenance Notes

• 1959 Engineering and Maintenance Bulletins (PDF)
• Tek's Scope Troubleshooting Guide
• Hakan H.'s list of Tektronix Mod Kits and Parts Replacement Kits

Publications

• Tektronix Magazines (Service Scope, Tekscope etc)
• Tektronix Catalogs
• Tektronix Films
• Manuals