Documentation, ROM Dumps, Software

CuriousMarc's landing page on Archive.org

https://archive.org/details/@curiousmarc

Tektronix 222 Oscilloscope Doc

https://archive.org/details/tek-222-rs-232-interfacing-guide-070-7533-00

https://archive.org/details/tek-222-dso-users-reference-card-070-7099-00

https://archive.org/details/tek-222-operators-manual-070-7100-00-hi-res-scan

IBM Docs

https://archive.org/details/ibm_vs_fortran_language_reference

https://archive.org/details/ibm_system360_system_summary_rev8

https://archive.org/details/ibm_system360_intro_to_teleprocessing

https://archive.org/details/ibm-system-360-operating-system-system-operation-training-manual

HP Docs

https://archive.org/details/hp-3460-b-operating-and-service-manual-hi-res-scan-03460-90004

https://archive.org/details/hp-6131-c-operation-and-service-manual-bcd-logic-hi-res-scan-06131-90005

https://archive.org/details/CHPIB51 (HP 10342B HP-iB Pre-processor)

https://archive.org/details/how-they-do-dat-hi-res-scan

https://archive.org/details/hp-3437-a-operating-and-service-manual

Databooks and Catalogs

https://archive.org/details/fairchild-semiconductor-transistor-and-diode-data-catalog-1970-searchable

Other

https://archive.org/details/OverlandTapeDriveSoft

https://archive.org/details/dominolan-wandel-goltermann

https://archive.org/details/huntron-tracker-service-manual-searchable

https://archive.org/details/PERTEC