Twin directories of infosystems:

[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/archive/comp/infosystems/
[DIR]  ftp://ftp.lf.net/pub/unix/infosystems/
[DIR]  ftp://ftp.lf.net/pub/comm/infosystems/
[DIR]  ftp://ftp.lf.net/pub/unix/comm/infosystems/
[DIR]  ftp://ftp.win.tue.nl/pub/home/rp/infosystems/
[DIR]  ftp://147.52.159.12/infosystems/
[DIR]  ftp://ftp.informatik.uni-hamburg.de/pub/soft/infosystems/
[DIR]  ftp://ftp.cs.nott.ac.uk/sites/rtfm.mit.edu/pub/usenet-by-hierarchy/comp/infosystems/
[DIR]  ftp://ftp.dotsrc.org/pub/infosystems/
[DIR]  ftp://ftp.enst.fr/pub/infosystems/
[DIR]  ftp://ftp.csie.nctu.edu.tw/pub/Documents/FAQ/usenet-by-hierarchy/comp/infosystems/
[DIR]  ftp://ftp.csie.nctu.edu.tw/pub/Documents/FAQ/usenet-by-hierarchy/de/comm/infosystems/
[DIR]  ftp://ftp.ptb.de/pub/infosystems/
[DIR]  ftp://ftp.relc.com/unix/infosystems/
[DIR]  ftp://ftp.gwdg.de/pub/rtfm/usenet-by-hierarchy/comp/infosystems/
[DIR]  ftp://ftp.gwdg.de/pub/rtfm/usenet-by-hierarchy/de/comm/infosystems/
pkg://picon-news_2001.01.02.orig.tar.gz:442673/usr/lib/picon/news/comp/  downloads[DIR]3  picon-news_2001.01.02.orig.tar.gz/usr/lib/picon/news/comp/infosystems/
pkg://picon-news_2004.06.02-1_all.deb:442132/picon-news-2001.01.02.orig/comp/  info  downloads[DIR]3  picon-news_2004.06.02-1_all.deb/picon-news-2001.01.02.orig/comp/infosystems/
pkg://picon-news_2004.06.02.orig.tar.gz:468909/usr/share/picons/news/comp/  downloads[DIR]3  picon-news_2004.06.02.orig.tar.gz/usr/share/picons/news/comp/infosystems/
pkg://picon-news_2006.06.12-1_all.deb:477004/picon-news-2004.06.02.orig/comp/  info  downloads[DIR]3  picon-news_2006.06.12-1_all.deb/picon-news-2004.06.02.orig/comp/infosystems/
pkg://picon-news_2006.06.12-1_all.deb:477010/usr/share/picons/news/comp/  info  downloads[DIR]3  picon-news_2006.06.12-1_all.deb/usr/share/picons/news/comp/infosystems/
pkg://picon-news_2006.06.12.orig.tar.gz:474524/usr/share/picons/news/comp/  downloads[DIR]3  picon-news_2006.06.12.orig.tar.gz/usr/share/picons/news/comp/infosystems/
pkg://picon-news_2008.01.02-1_all.deb:477066/picon-news-2006.06.12.orig/comp/  info  downloads[DIR]3  picon-news_2008.01.02-1_all.deb/picon-news-2006.06.12.orig/comp/infosystems/
pkg://picon-news_2008.01.02-1_all.deb:477072/usr/share/picons/news/comp/  info  downloads[DIR]3  picon-news_2008.01.02-1_all.deb/usr/share/picons/news/comp/infosystems/
pkg://picon-news_2008.01.02.orig.tar.gz:474496/usr/share/picons/news/comp/  downloads[DIR]3  picon-news_2008.01.02.orig.tar.gz/usr/share/picons/news/comp/infosystems/
pkg://picon-news_2008.08.15-1_all.deb:477534/picon-news-2008.01.02.orig/comp/  info  downloads[DIR]3  picon-news_2008.08.15-1_all.deb/picon-news-2008.01.02.orig/comp/infosystems/
pkg://picon-news_2008.08.15.orig.tar.gz:474534/usr/share/picons/news/comp/  downloads[DIR]3  picon-news_2008.08.15.orig.tar.gz/usr/share/picons/news/comp/infosystems/
pkg://picon-unknown_2001.01.02-2_all.deb:16480/picon-news-2008.08.15.orig/comp/  info  downloads[DIR]3  picon-unknown_2001.01.02-2_all.deb/picon-news-2008.08.15.orig/comp/infosystems/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/bsdi.com/contrib/infosystems/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/rtfm.mit.edu/pub/usenet-by-hierarchy/comp/infosystems/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/rtfm.mit.edu/pub/usenet-by-hierarchy/de/comm/infosystems/
[DIR]  ftp://ftp.informatik.rwth-aachen.de/pub/mirror/rtfm.mit.edu/pub/usenet-by-hierarchy/comp/infosystems/
[DIR]  ftp://ftp.informatik.rwth-aachen.de/pub/mirror/rtfm.mit.edu/pub/usenet-by-hierarchy/de/comm/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/Peanuts/ns/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/Peanuts/NEXTSTEP/connectivity/commandline/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/Peanuts/NEXTSTEP/connectivity/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/Peanuts/ns/connectivity/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/ftp.nice.ch/pub/next/connectivity/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/NeXT_Mirrors/Peanuts/NEXTSTEP/connectivity/commandline/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/NeXT_Mirrors/Peanuts/NEXTSTEP/connectivity/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/ftp.nice.ch/pub/next/unix/network/infosystems/
[DIR]  ftp://ftp.blackcube.org/pub/NeXT_Mirrors/NEXTSTEP/connectivity/infosystems/
[DIR]  ftp://ftp.unimelb.edu.au/pub/usenet-FAQs/usenet-by-hierarchy/comp/infosystems/
[DIR]  ftp://ftp.unimelb.edu.au/pub/usenet-FAQs/usenet-by-hierarchy/de/comm/infosystems/
[DIR]  ftp://ftp.au.freebsd.org/disks/la0/.p/rtfm/usenet-by-hierarchy/comp/infosystems/
[DIR]  ftp://ftp.au.freebsd.org/disks/la0/.p/rtfm/usenet-by-hierarchy/de/comm/infosystems/
[DIR]  ftp://ftp.csd.uch.gr/pub/infosystems/
[DIR]  ftp://ftp.task.gda.pl/pub/software/infosystems/
[DIR]  ftp://ftp.task.gda.pl/vol/zfs/ftp.germany.eu.net/pub/infosystems/
[DIR]  ftp://ftp.arnes.si/faq/comp/infosystems/