Twin directories of 5.3:

[DIR]  ftp://ftp.eenet.ee/pub/FreeBSD/distfiles/i386/5.3/
[DIR]  ftp://ftp.eenet.ee/pub/FreeBSD/distfiles/miracl/5.3/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/5.3/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/5.3/
[DIR]  ftp://ftp.42.org/pub/FreeBSD/distfiles/i386/5.3/
[DIR]  ftp://ftp.kfki.hu/pub/packages/security/COAST/sysutils/lsof/binaries/freebsd/5.3/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/distfiles/i386/5.3/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/distfiles/miracl/5.3/
[DIR]  ftp://ftp.farlep.net/pub/FreeBSD/5.3/
[DIR]  ftp://ftp.kreonet.re.kr/tools/doc-tools/nedit/contrib/highlighting/5.3/
[DIR]  ftp://ftp.3logic.net/pub/windows/drivers/video/ati/Catalist/5.3/
[DIR]  ftp://ftp.uic.nnov.ru/pub/FreeBSD/5.3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/tcl/mirror/ftp.procplace.com/sorted/apps/moodss/5.3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/tcl/mirror/ftp.procplace.com/sorted/packages-8.0/apps/moodss/5.3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/tcl/mirror/ftp.procplace.com/sorted/packages-8.0/x11/tkpiechart/5.3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/tcl/mirror/ftp.procplace.com/sorted/x11/tkpiechart/5.3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/centos/5.3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/distfiles/i386/5.3/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/ports/distfiles/miracl/5.3/
[DIR]  ftp://ftp.ai.kyutech.ac.jp/iso/FreeBSD/i386/5.3/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/tcl/tcl/sorted/packages-8.0/apps/moodss/5.3/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/tcl/tcl/sorted/packages-8.0/x11/tkpiechart/5.3/
[DIR]  ftp://ftp.uni-koeln.de/adsm/clients/sgi-irix/5.3/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/cert.dfn/vendor/sgi/Patches/5.3/
[DIR]  ftp://ftp.swin.edu.au/centos/5.3/
[DIR]  ftp://ftp.swin.edu.au/freebsd/ports/distfiles/i386/5.3/
[DIR]  ftp://ftp.swin.edu.au/freebsd/ports/distfiles/miracl/5.3/
[DIR]  ftp://ftp.mgts.by/pub/FreeBSD/ports/distfiles/i386/5.3/
[DIR]  ftp://ftp.mgts.by/pub/FreeBSD/ports/distfiles/miracl/5.3/
[DIR]  ftp://ftp.ics.muni.cz/pub/EMIS/journals/EM/restricted/5/5.3/
[DIR]  ftp://ftp.ics.muni.cz/pub/EMIS/journals/EM/expmath/volumes/5/5.3/
[DIR]  ftp://ftp.itu.edu.tr/Mirror/CentOS/5.3/
[DIR]  ftp://ftp.kot.spb.ru/pub/FreeBSD/distfiles/i386/5.3/
[DIR]  ftp://ftp.highway1.com.au/pub/FreeBSD/ISO-IMAGES/5.3/
[DIR]  ftp://ftp.highway1.com.au/pub/linux/centos/5.3/
[DIR]  ftp://ftp.lanprojekt.cz/pub/linux/centos/5.3/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.freebsd.org/FreeBSD/ports/distfiles/i386/5.3/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.freebsd.org/FreeBSD/ports/distfiles/miracl/5.3/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.centos.org/5.3/
[DIR]  ftp://ftp.ps.pl/dsk0/archive.redhat.com/redhat/linux/code/aic/boot_disks/5.1.0-final/SuSE/5.3/
[DIR]  ftp://ftp.ps.pl/dsk0/archive.redhat.com/redhat/linux/code/aic/boot_disks/5.1.0-pre15/SuSE/5.3/
[DIR]  ftp://ftp.cvut.cz/mirrors/centos.org/5.3/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/irix/ftp.sgi.com/sgi/netdrv/5.3/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/irix/ftp.sgi.com/support/Patches/5.3/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/irix/ftp.sgi.com/support/Patches.old/5.3/
[DIR]  ftp://ftp.pwsz.elblag.pl/mirror/irix/ftp.sgi.com/sgi/ipmcast/IRIX5/5.3/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/ports/distfiles/i386/5.3/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/ports/distfiles/miracl/5.3/
[DIR]  ftp://ftp.nottingham.ac.uk/pub/Computing/unix/patches/irix/5.3/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/i386/ISO-IMAGES/5.3/