Twin directories of interfaces:

[DIR]  ftp://ftp.eenet.ee/pub/cpan/scripts/interfaces/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/scripts/interfaces/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.ci.pwr.wroc.pl/pub/kkio/prototype/examples/1/interfaces/
[DIR]  ftp://ftp.ci.pwr.wroc.pl/pub/kkio/prototype/examples/2/interfaces/
[DIR]  ftp://ftp.ci.pwr.wroc.pl/pub/kkio/prototype/examples/3/interfaces/
[DIR]  ftp://ftp.ci.pwr.wroc.pl/pub/kkio/prototype/examples/6/interfaces/
[DIR]  ftp://ftp.ill.fr/pub/dif/dave/icsd26/classes/interfaces/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/scripts/interfaces/
[DIR]  ftp://62.128.1.71/pub/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/gnu/texmacs-doc/about/contribute/interfaces/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/bglight/interfaces/
[DIR]  ftp://ftp.port80.se/pub/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.cs.kuleuven.be/pub/Ada-Belgium/mirrors/pal/ajpo/java/gccs/interfaces/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.kulnet.kuleuven.ac.be/mirror/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/redhat.com/redhat/linux/6.2/cpan/CPAN-archive/scripts/interfaces/
[DIR]  ftp://ftp.cs.uregina.ca/pub/class/170/pre-071/sun_tutor/collections/interfaces/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/eclipse/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/framework/interfaces/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/eclipse/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/record/container/interfaces/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/eclipse/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/record/interfaces/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.cosy.sbg.ac.at/pub/mirror/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.mgts.by/pub/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.cyf-kr.edu.pl/pub/unix/perl/scripts/interfaces/
[DIR]  ftp://ftp.ut.ee/pub/languages/perl/CPAN/scripts/interfaces/
[DIR]  ftp://24.215.0.24/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.dntis.ro/pub/.1/ftp.cpan.org/CPAN/scripts/interfaces/
[DIR]  ftp://194.117.24.2/pub/util/.+eclipse/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/framework/interfaces/
[DIR]  ftp://194.117.24.2/pub/util/.+eclipse/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/record/container/interfaces/
[DIR]  ftp://194.117.24.2/pub/util/.+eclipse/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/record/interfaces/
[DIR]  ftp://sapi.vlsm.org/.1/leaf/devel/helices/wanpipe/wanpipe/target/etc/wanpipe/interfaces/
[DIR]  ftp://sapi.vlsm.org/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.msiu.ru/pub/education/FSF-Windows/materials/programmers/programming/Java/tutorial/collections/interfaces/
[DIR]  ftp://ftp.msiu.ru/pub/education/MSIU-ASPLinux/9.2/supplement/html/programmers/programming/Java/TUTORIAL/collections/interfaces/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-1/src/share/sushi/network/interfaces/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-release-3-0/src/share/sushi/network/interfaces/
[DIR]  ftp://ftp.sk.freebsd.org/pub/NetBSD/NetBSD-current/xsrc/external/mit/expat/dist/amiga/include/interfaces/
[DIR]  ftp://ftp.cbn.net.id/mirror/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.linbox.com/pub/distributions/source/postgresql/Original/postgresql-7.0.3/src/interfaces/
[DIR]  ftp://ftp.linbox.com/pub/distributions/source/postgresql/Original/postgresql-7.1/src/interfaces/
[DIR]  ftp://ftp.ps.pl/dsk0/www.eclipse.org/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/framework/interfaces/
[DIR]  ftp://ftp.ps.pl/dsk0/www.eclipse.org/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/record/container/interfaces/
[DIR]  ftp://ftp.ps.pl/dsk0/www.eclipse.org/technology/ohf/soda/sat/javadocs/org/eclipse/soda/sat/core/record/interfaces/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.inria.fr/INRIA/Projects/Meta2/Scilab/gnucpan/CPAN/scripts/interfaces/
[DIR]  ftp://ftp.ps.pl/dsk0/archive.redhat.com/redhat/linux/6.2/cpan/CPAN-archive/scripts/interfaces/
pkg://ACE+TAO+CIAO-5.6.1.tar.bz2:24590534/ACE_wrappers/TAO/CIAO/tests/Bug_2130_Regression/  downloads[DIR]3  ACE+TAO+CIAO-5.6.1.tar.bz2/ACE_wrappers/TAO/CIAO/tests/Bug_2130_Regression/interfaces/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/NetBSD-release-3-1/src/share/sushi/network/interfaces/