Editing Michigan Terminal System (section)

===Internals documentation===
The following materials were not widely distributed, but were included in MTS Distributions:<ref name=MTSSubSeriesBentley/><ref name=MTSAtDeepBlue/><ref name=MTSAtBitSavers/>

*MTS Operators Manual<ref>[http://hdl.handle.net/2027.42/79628 MTS Operators Manual], February 1995, University of Michigan, 574p.</ref>
*MTS Message Manual
*MTS Volume ''n'': Systems Edition<ref>[http://hdl.handle.net/2027.42/79585 MTS Volume 1: Systems Edition, Obsolete and Internal MTS Commands], November 1991, University of Michigan, 60pp.</ref><ref>[http://hdl.handle.net/2027.42/79583 MTS Volume 3: Systems Edition, Subroutine Description], April 1981, University of Michigan, 50pp.</ref>
*MTS Volume 99: Internals Documentation<ref>[http://hdl.handle.net/2027.42/79596 MTS Volume 99: Internal Documentation], 1972-1978, University of Michigan, 167pp.</ref>
*Supervisor Call Descriptions<ref>[http://hdl.handle.net/2027.42/79584 UMMPS D6.0 Supervisor Call Descriptions], November 1987, University of Michigan, 156p.</ref>
*Disk Disaster Recovery Procedures<ref>[http://hdl.handle.net/2027.42/79618 MTS Disk Disaster Recovery], April 1987, 14pp.</ref>
*A series of lectures describing the architecture and internal organization of the Michigan Terminal System given by Mike Alexander, Don Boettner, Jim Hamilton, and Doug Smith (4 audio tapes, lecture notes, and transcriptions)