Twin directories of Usage:

[DIR]  ftp://ftp.bitwise.net/Usage/
[DIR]  ftp://ftp.uga.edu/pub/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.uga.edu/pub/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.ntut.edu.tw/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.ntut.edu.tw/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.cuhk.hk/.1/packages/perl/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.cuhk.hk/.1/packages/perl/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/modules/by-module/Usage/
[DIR]  ftp://202.18.64.24/pub/lang/perl/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://core.ring.gr.jp/pub/lang/perl/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.jp.xemacs.org/pub/lang/perl/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.padua.org/pub/lang/perl/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://202.18.64.24/pub/lang/perl/CPAN/modules/by-module/Usage/
[DIR]  ftp://core.ring.gr.jp/pub/lang/perl/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.jp.xemacs.org/pub/lang/perl/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.padua.org/pub/lang/perl/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.nrc.ca/pub/packages/lang/perl/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.nrc.ca/pub/packages/lang/perl/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.auckland.ac.nz/pub/perl/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.auckland.ac.nz/pub/perl/CPAN/modules/by-module/Usage/
[DIR]  ftp://64.50.236.52/.1/cpan/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://64.50.238.52/.1/cpan/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://64.50.236.52/.1/cpan/modules/by-module/Usage/
[DIR]  ftp://64.50.238.52/.1/cpan/modules/by-module/Usage/
[DIR]  ftp://193.226.140.51/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://212.87.224.145/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://24.215.0.24/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://83.166.201.99/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.gmd.de/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.linorg.usp.br/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.linux.hr/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.pub.ro/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.software.umn.edu/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://ftp.uoregon.edu/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://mirror.hiwaay.net/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://sapi.vlsm.org/CPAN/modules/by-category/03_Development_Support/Usage/
[DIR]  ftp://193.226.140.51/CPAN/modules/by-module/Usage/
[DIR]  ftp://212.87.224.145/CPAN/modules/by-module/Usage/
[DIR]  ftp://24.215.0.24/CPAN/modules/by-module/Usage/
[DIR]  ftp://83.166.201.99/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.gmd.de/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.linorg.usp.br/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.linux.hr/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.pub.ro/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.software.umn.edu/CPAN/modules/by-module/Usage/
[DIR]  ftp://ftp.uoregon.edu/CPAN/modules/by-module/Usage/
[DIR]  ftp://mirror.hiwaay.net/CPAN/modules/by-module/Usage/