Twin directories of R:

[DIR]  ftp://ftp.math.ethz.ch/sfs/pub/WBL/Source-WBL-1/R/
[DIR]  ftp://ftp.math.ethz.ch/sfs/pub/WBL/Source-WBL-2/R/
[DIR]  ftp://ftp.reed.edu/mac/R/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/authors/id/R/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/authors/id/R/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/authors/id/R/
[DIR]  ftp://ftp.psg.com/pub/modula-2/gpm/TERM/R/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/authors/id/R/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/math/R/
[DIR]  ftp://62.128.1.71/pub/CPAN/authors/id/R/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/authors/id/R/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/authors/id/R/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/gentoo/portage/dev-lang/R/
[DIR]  ftp://ftp.nz.debian.org/gentoo-x86-portage/dev-lang/R/
[DIR]  ftp://ftp.stat.math.keio.ac.jp/usr/pub/statlib/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/51/x86_64/contrib/SRPMS/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/51/x86_64/contrib/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/52/i386/contrib/SRPMS/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/52/x86_64/contrib/SRPMS/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/50/i386/contrib/SRPMS/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/50/i386/contrib/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/50/x86_64/contrib/SRPMS/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/50/x86_64/contrib/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/51/i386/contrib/SRPMS/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/scientific/51/i386/contrib/R/
[DIR]  ftp://ftp.cs.stanford.edu/pub/mirrors/damnit/51/i386/contrib/R/
[DIR]  ftp://ftp.cs.stanford.edu/pub/mirrors/damnit/51/i386/contrib/SRPMS/R/
[DIR]  ftp://ftp.cs.stanford.edu/pub/mirrors/damnit/51/x86_64/contrib/R/
[DIR]  ftp://ftp.cs.stanford.edu/pub/mirrors/damnit/51/x86_64/contrib/SRPMS/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/distfiles/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/math/R/
[DIR]  ftp://ftp.li.kernel.org/pub/.3/sources.redhat.com/cygwinports/release-2/CRAN/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/math/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040711.1811/math/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/math/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040121/math/R/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040131/math/R/
[DIR]  ftp://ftp.mcs.vuw.ac.nz/_mnt/pub/statistics/R/
[DIR]  ftp://ftp.port80.se/pub/CPAN/authors/id/R/
[DIR]  ftp://cdsarc.u-strasbg.fr/1/cats.old/aliases/R/
[DIR]  ftp://cdsarc.u-strasbg.fr/0/cats/aliases/R/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/CPAN/authors/id/R/
[DIR]  ftp://ftp.kulnet.kuleuven.ac.be/mirror/CPAN/authors/id/R/
[DIR]  ftp://ftp.amigascne.org/pub/amiga/Groups/R/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/7.1/en/DMA/R/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/7.0/en/DMA/R/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/6.2/cpan/CPAN-archive/authors/id/R/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/4.2/en/os/sparc/RedHat/instimage/usr/lib/terminfo/R/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/gentoo-portage/dev-lang/R/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/CPAN/authors/id/R/