ftp://prep.ai.mit.edu/pub/gnu/make-3.75.tar.gz
as of April 23, 1997
ftp://prep.ai.mit.edu/pub/gnu/m4-1.4.tar.gz
as
of April 23, 1997
ftp://prep.ai.mit.edu/pub/gnu/dejagnu-1.3.tar.gz
as of
April 23, 1997
ftp://prep.ai.mit.edu/pub/gnu/gzip-1.2.4.tar.gz
as
of April 23, 1997