Twin directories of Handbook:

[DIR]  ftp://ftp.gi.alaska.edu/pub/eicken/Handbook/
[DIR]  ftp://ftp.blm.gov/pub/OR/orso/Handbook/
[DIR]  ftp://ftp.psg.com/pub/modula-2/gpm/Students/Handbook/
[DIR]  ftp://ftp.psg.com/pub/modula-2/gpm/Handbook/
[DIR]  ftp://ftp.tip.csiro.au/pub/people/cwilson/Handbook/