Twin directories of usr.bin.X11:

[DIR]  ftp://ftp.dict.org/bogus/ADDITIONS/TAR_FILES/usr.bin.X11/
[DIR]  ftp://ftp.dict.org/bogus/PRIVATE_TAR_FILES/usr.bin.X11/
[DIR]  ftp://ftp.dict.org/bogus/TAR_FILES/usr.bin.X11/
[DIR]  ftp://204.152.191.39/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/binaries/usr.bin.X11/
[DIR]  ftp://204.152.191.39/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/sources/usr.bin.X11/
[DIR]  ftp://204.152.191.39/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/binaries/usr.bin.X11/
[DIR]  ftp://204.152.191.39/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/sources/usr.bin.X11/
[DIR]  ftp://204.152.191.39/oldlinux/Linux.old/Linux-0.96/sources/usr.bin.X11/
[DIR]  ftp://204.152.191.39/oldlinux/Linux.old/Linux-0.98/binaries/usr.bin.X11/
[DIR]  ftp://204.152.191.39/oldlinux/Linux.old/Linux-0.98/sources/usr.bin.X11/
[DIR]  ftp://ftp.tux.org/sites/tsx-11.mit.edu/binaries/usr.bin.X11/
[DIR]  ftp://ftp.tux.org/sites/tsx-11.mit.edu/sources/usr.bin.X11/
[DIR]  ftp://ftp.xemacs.org/sites/tsx-11.mit.edu/binaries/usr.bin.X11/
[DIR]  ftp://ftp.xemacs.org/sites/tsx-11.mit.edu/sources/usr.bin.X11/
[DIR]  ftp://ftp.iavsc.org/pub/linux/sources/usr.bin.X11/
[DIR]  ftp://204.152.191.7/oldlinux/Linux.old/Linux-0.98/binaries/usr.bin.X11/
[DIR]  ftp://204.152.191.7/oldlinux/Linux.old/Linux-0.98/sources/usr.bin.X11/
[DIR]  ftp://204.152.191.7/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/binaries/usr.bin.X11/
[DIR]  ftp://204.152.191.7/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/sources/usr.bin.X11/
[DIR]  ftp://204.152.191.7/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/binaries/usr.bin.X11/
[DIR]  ftp://204.152.191.7/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/sources/usr.bin.X11/
[DIR]  ftp://204.152.191.7/oldlinux/Linux.old/Linux-0.96/sources/usr.bin.X11/
[DIR]  ftp://199.6.1.174/oldlinux/Linux.old/Linux-0.98/binaries/usr.bin.X11/
[DIR]  ftp://199.6.1.174/oldlinux/Linux.old/Linux-0.98/sources/usr.bin.X11/
[DIR]  ftp://199.6.1.174/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/binaries/usr.bin.X11/
[DIR]  ftp://199.6.1.174/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/sources/usr.bin.X11/
[DIR]  ftp://199.6.1.174/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/binaries/usr.bin.X11/
[DIR]  ftp://199.6.1.174/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/sources/usr.bin.X11/
[DIR]  ftp://199.6.1.174/oldlinux/Linux.old/Linux-0.96/sources/usr.bin.X11/
[DIR]  ftp://130.239.17.6/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/binaries/usr.bin.X11/
[DIR]  ftp://130.239.17.6/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/sources/usr.bin.X11/
[DIR]  ftp://130.239.17.6/oldlinux/Linux.old/Linux-0.98/binaries/usr.bin.X11/
[DIR]  ftp://130.239.17.6/oldlinux/Linux.old/Linux-0.98/sources/usr.bin.X11/
[DIR]  ftp://130.239.17.6/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/binaries/usr.bin.X11/
[DIR]  ftp://130.239.17.6/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/sources/usr.bin.X11/
[DIR]  ftp://130.239.17.6/oldlinux/Linux.old/Linux-0.96/sources/usr.bin.X11/
[DIR]  ftp://ftp.silug.org/pub/historical/InfoMagic-CD/linux/199410/cd2/tsx/binaries/usr.bin.X11/
[DIR]  ftp://ftp.silug.org/pub/historical/InfoMagic-CD/linux/199410/cd2/tsx/sources/usr.bin.X11/
[DIR]  ftp://ftp.silug.org/pub/historical/InfoMagic-CD/linux/199407/cd2/tsx/attic/binaries/usr.bin.X11/
[DIR]  ftp://ftp.silug.org/pub/historical/InfoMagic-CD/linux/199407/cd2/tsx/binaries/usr.bin.X11/
[DIR]  ftp://ftp.silug.org/pub/historical/InfoMagic-CD/linux/199407/cd2/tsx/sources/usr.bin.X11/
[DIR]  ftp://mirrors.kernel.org/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/sources/usr.bin.X11/
[DIR]  ftp://mirrors.kernel.org/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/binaries/usr.bin.X11/
[DIR]  ftp://mirrors.kernel.org/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/sources/usr.bin.X11/
[DIR]  ftp://mirrors.kernel.org/oldlinux/Linux.old/ftp-archives/tsx-11.mit.edu/1996-10-07/attic/binaries/usr.bin.X11/
[DIR]  ftp://mirrors.kernel.org/oldlinux/Linux.old/Linux-0.98/sources/usr.bin.X11/
[DIR]  ftp://mirrors.kernel.org/oldlinux/Linux.old/Linux-0.98/binaries/usr.bin.X11/
[DIR]  ftp://mirrors.kernel.org/oldlinux/Linux.old/Linux-0.96/sources/usr.bin.X11/
[DIR]  ftp://ftp.uu.net/systems/unix/linux/sources/usr.bin.X11/
[DIR]  ftp://ftp.uu.net/systems/unix/linux/binaries/usr.bin.X11/