# MDL_Primer_and_Manual.pdf

MDL Primer and Manual (1977)
by Stu Galley and Greg Pfister. This
documents the MDL interpreter version 54
(ITS) and version 104 (TENEX), and is an
earlier version of
"The MDL Programming Language" document
that is also here.

# MDL_Programming_Environment.pdf

The MDL Programming Environment (1980),
by David Lebling.

# MDL_Programming_Language.pdf

The MDL Programming Language (1979),
by Stu Galley and Greg Pfister. This
documents the MDL interpreter version 55
(ITS) and version 105 (TENEX and TOPS-20).

# MDL_Programming_Primer.pdf

The MDL Programming Language Primer (1980),
by Michael Dornbrook and Marc Blank.