Twin directories of 21.5:

[DIR]  ftp://ftp.kreonet.re.kr/tools/emacs/xemacsweb/Documentation/21.5/
[DIR]  ftp://147.52.159.12/mirrors/XEmacs/Documentation/21.5/
[DIR]  ftp://ftp.dotsrc.org/projects/xemacs/xemacsweb/Documentation/21.5/
[DIR]  ftp://ftp.pbone.net/vol3/sunsite.dk/projects/xemacs/xemacsweb/Documentation/21.5/
[DIR]  ftp://sunsite.dk/projects/xemacs/xemacsweb/Documentation/21.5/
[DIR]  ftp://ftp.pbone.net/vol4/ftp.sourceforge.net/pub/sourceforge/p/project/ps/psmisc/psmisc/21.5/
[DIR]  ftp://ftp.pbone.net/vol4/ftp.sourceforge.net/pub/sourceforge/m/project/mo/moodss/moodss/21.5/