Twin directories of PDF:

[DIR]  ftp://ftp.uni-weimar.de/pub/publications/diss/Baumbusch/PDF/
[DIR]  ftp://ftp.uni-weimar.de/pub/publications/diss/Steinmann/PDF/
[DIR]  ftp://ftp.mainphrame.com/data/alfredo/LinuxCBT/LinuxCBT IPv6 Edition/docs/PDF/
[DIR]  ftp://ftp.gfz-potsdam.de/pub/home/mg/dipri/AAPG/April 09 - Flyer/PDF/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/modules/by-module/PDF/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/modules/by-category/11_String_Lang_Text_Proc/PDF/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/authors/id/S/SU/SUNILS/PDF/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/modules/by-module/PDF/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/modules/by-category/11_String_Lang_Text_Proc/PDF/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/authors/id/S/SU/SUNILS/PDF/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-module/PDF/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-category/99_Not_In_Modulelist/PDF/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-category/11_String_Lang_Text_Proc/PDF/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/authors/id/S/SU/SUNILS/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.7.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.1.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.2.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.2.1/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.3.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.4.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.5.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.6.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.0/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.0.1/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.0.2/doc/PDF/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/ftp.xfree86.org/XFree86/4.0.3/doc/PDF/
[DIR]  ftp://ftp.iaea.org/dist/nsrw/Transport/TranSAS/Key Documents/PDF/
[DIR]  ftp://ftp.x.org/pub/X11R6.8.1/PDF/
[DIR]  ftp://ftp.x.org/pub/X11R6.8.2/PDF/
[DIR]  ftp://ftp.x.org/pub/X11R6.9.0/doc/PDF/
[DIR]  ftp://ftp.x.org/pub/X11R7.0/doc/PDF/
[DIR]  ftp://ftp.x.org/pub/X11R6.7.0/PDF/
[DIR]  ftp://ftp.x.org/pub/X11R6.8.0/PDF/
[DIR]  ftp://ftp.fh-biberach.de/bauakademie/Sige/PDF/
[DIR]  ftp://ftp.abag.ca.gov/pub/mtc/census2000/JTW_Trends/PDF/
[DIR]  ftp://ftp.ascend.com/pub/Software-Releases/FTX/RELEASED_DOCS/PDF/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/modules/by-module/PDF/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/modules/by-category/11_String_Lang_Text_Proc/PDF/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/authors/id/S/SU/SUNILS/PDF/
[DIR]  ftp://ftp.dot.state.tx.us/pub/txdot-info/tta/sh121/3.5 Schematic SH121 Denton County/REF/PDF/
[DIR]  ftp://ftp.dot.state.tx.us/pub/txdot-info/tta/sh121/3.5 Schematic SH121 Denton County/PDF/
[DIR]  ftp://ftp.dot.state.tx.us/pub/txdot-info/tta/sh121/3.6 Schematic SH121 Collin County/PDF/
[DIR]  ftp://ftp.dot.state.tx.us/pub/txdot-info/dal/lbj_635/lbj_mobility_group/schematics/PDF/
[DIR]  ftp://ftp.avc-pioneer.com/Mtfuji_6/Proposal/APR05/HD DVD/PDF/
[DIR]  ftp://62.128.1.71/pub/CPAN/modules/by-module/PDF/
[DIR]  ftp://62.128.1.71/pub/CPAN/authors/id/S/SU/SUNILS/PDF/
[DIR]  ftp://62.128.1.71/pub/CPAN/modules/by-category/11_String_Lang_Text_Proc/PDF/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/modules/by-module/PDF/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/modules/by-category/11_String_Lang_Text_Proc/PDF/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/authors/id/S/SU/SUNILS/PDF/