Twin directories of unixhelp:

[DIR]  ftp://ftp.ccs.neu.edu/net/mirrors-DELETEME_MOVED_TO_VOLATILE/ftp.ed.ac.uk/pub/unixhelp/
[DIR]  ftp://ftp.ccs.neu.edu/net/mirrors/ftp.ed.ac.uk/pub/unixhelp/
[DIR]  ftp://129.215.146.5/pub/unixhelp/
[DIR]  ftp://ftp.carnet.hr/misc/unixhelp/
[DIR]  ftp://ftp.dlut.edu.cn/pub1/Documents/faq/unixhelp/
[DIR]  ftp://129.215.70.239/pub/unixhelp/
[DIR]  ftp://ftp.gw.com/mirrors/unix/unixhelp/
[DIR]  ftp://89.19.167.233/_Soft/info/os/linux/linmain/intro/unixhelp/