Twin directories of samples:

[DIR]  ftp://ftp.keystealth.org/pub/gnu/tmp/linux-libre-fsf2_2.6.28/linux-2.6.28/samples/
[DIR]  ftp://ftp.research.telcordia.com/pub/nsb/samples/
[DIR]  ftp://ftp.nlm.nih.gov/umls/samples/
[DIR]  ftp://ftp.uni-freiburg.de/pub/bera/users/trish/samples/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/doc/FMTEYEWTK/PDSC/samples/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/doc/FMTEYEWTK/data_structures/samples/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/doc/FMTEYEWTK/PDSC/samples/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/doc/FMTEYEWTK/data_structures/samples/
[DIR]  ftp://ftp.fi.upm.es/pub/unix/aix/adsm/fixes/v3r1/samples/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/doc/FMTEYEWTK/PDSC/samples/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/doc/FMTEYEWTK/data_structures/samples/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/authors/id/F/FE/FELIXL/vptk/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/support/mid2tex/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/systems/win32/bakoma/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/macros/latex/contrib/aastex/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/macros/plain/contrib/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/language/bengali/arosgn/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/graphics/epix/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/fonts/cyrillic/lh/texmf/doc/fonts/lh/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/CursoXML/programas/axis-1_4/samples/ejb/src/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/CursoXML/programas/axis-1_4/webapps/axis/WEB-INF/classes/samples/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/CursoXML/programas/axis-1_4/samples/
[DIR]  ftp://van.cdl.bmstu.ru/pub/security/samples/
[DIR]  ftp://ftp.unc.edu/pub/empd/products/JART/samples/
[DIR]  ftp://199.6.1.164/pub/scm/linux/kernel/git/rdunlap/linux-docs/samples/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/doc/FMTEYEWTK/PDSC/samples/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/doc/FMTEYEWTK/data_structures/samples/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/teigland/origin-dlm.git/samples/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/jejb/merge-tree/samples/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/glommer/kvmclock.git/samples/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ftp.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs/samples/
[DIR]  ftp://ftp.internat.freebsd.org/pub/mesh/pc/MIT/click/exopc/samples/
[DIR]  ftp://62.128.1.71/pub/CPAN/doc/FMTEYEWTK/PDSC/samples/
[DIR]  ftp://62.128.1.71/pub/CPAN/doc/FMTEYEWTK/data_structures/samples/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/doc/FMTEYEWTK/PDSC/samples/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/doc/FMTEYEWTK/data_structures/samples/
[DIR]  ftp://ftp.columbia.edu/pub/.snapshot/nightly.5/kermit/public_html/samples/
[DIR]  ftp://ftp.skynet.be/mirror2/suse.com/people/hvogel/.Update-Media-HOWTO.old/samples/
[DIR]  ftp://ftp.skynet.be/mirror2/suse.com/people/hvogel/Update-Media-HOWTO/samples/
[DIR]  ftp://ftp.uplanet.ru/galaxy/gvng/samples/
[DIR]  ftp://ftp.kc.ru/incoming/Ðèòå/Kompas-Macro/samples/
[DIR]  ftp://ftp.beos.hu/pub/beos/development/samples/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/support/mid2tex/samples/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/systems/win32/bakoma/samples/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/macros/plain/contrib/samples/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/language/bengali/arosgn/samples/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/macros/latex/contrib/aastex/samples/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/graphics/epix/samples/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/fonts/cyrillic/lh/texmf/doc/fonts/lh/samples/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/doc/FMTEYEWTK/PDSC/samples/