Twin directories of psf:

[DIR]  ftp://ftp.cpsc.ucalgary.ca/pub/Redirect/psf/
[DIR]  ftp://ftp.cpsc.ucalgary.ca/pub/projects/psf/
[DIR]  ftp://ftp.wins.uva.nl/pub/programming-research/software/psf/
[DIR]  ftp://ftp.wins.uva.nl/pub/programming-research/specifications/psf/
[DIR]  ftp://cdsarc.u-strasbg.fr/1/catj.old/J/A+A/463/589/psf/
[DIR]  ftp://cdsarc.u-strasbg.fr/0/catj/J/A+A/463/589/psf/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/eclipse/technology/actf/psf/
[DIR]  ftp://194.117.24.2/pub/util/.+eclipse/technology/actf/psf/
[DIR]  ftp://ftp.ps.pl/dsk0/www.eclipse.org/technology/actf/psf/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror3/X11/Eclipse/technology/actf/psf/
[DIR]  ftp://ftp.ccs.neu.edu/net/mirrors-DELETEME_MOVED_TO_VOLATILE/ftp.python.org/pub/www.python.org/psf/weblog/psf/
[DIR]  ftp://ftp.ccs.neu.edu/net/mirrors-DELETEME_MOVED_TO_VOLATILE/ftp.python.org/pub/www.python.org/psf/
[DIR]  ftp://ftp.ccs.neu.edu/net/mirrors-DELETEME_MOVED_TO_VOLATILE/ftp.python.org/pub/www.python.org/files/psf/
pkg://ale-0.7.3.tgz:202020/ale-0.7.3/d2/render/  downloads[DIR]3  ale-0.7.3.tgz/ale-0.7.3/d2/render/psf/
pkg://ale-0.8.3.tar.gz:159359/ale-0.8.1/d2/render/  downloads[DIR]3  ale-0.8.3.tar.gz/ale-0.8.1/d2/render/psf/
pkg://ale-0.8.3_1.tbz:146999/ale-0.8.3/d2/render/  downloads[DIR]3  ale-0.8.3_1.tbz/ale-0.8.3/d2/render/psf/
pkg://ale-debuginfo-0.9.0.1-1.fc9.x86_64.rpm:1252716/usr/src/debug/ale-0.9.0.1/d2/render/  info  downloads[DIR]3  ale-debuginfo-0.9.0.1-1.fc9.x86_64.rpm/usr/src/debug/ale-0.9.0.1/d2/render/psf/
pkg://ale_0.9.0.1-1_alpha.deb:434068/ale-0.7.1/d2/render/  info  downloads[DIR]3  ale_0.9.0.1-1_alpha.deb/ale-0.7.1/d2/render/psf/
pkg://ale_0.9.0.orig.tar.gz:1232337/ale-0.9.0.1/doc/user/  downloads[DIR]3  ale_0.9.0.orig.tar.gz/ale-0.9.0.1/doc/user/psf/
pkg://ale_0.9.0.orig.tar.gz:1232337/ale-0.9.0.1/doc/html-original/ALE/download/ale-0.8.x-user/rendering/  downloads[DIR]3  ale_0.9.0.orig.tar.gz/ale-0.9.0.1/doc/html-original/ALE/download/ale-0.8.x-user/rendering/psf/
pkg://ale_0.9.0.orig.tar.gz:1232337/ale-0.9.0.1/doc/html-original/ALE/download/ale-0.7.x-user/rendering/  downloads[DIR]3  ale_0.9.0.orig.tar.gz/ale-0.9.0.1/doc/html-original/ALE/download/ale-0.7.x-user/rendering/psf/
pkg://ale_0.9.0.orig.tar.gz:1232337/ale-0.9.0.1/d2/render/  downloads[DIR]3  ale_0.9.0.orig.tar.gz/ale-0.9.0.1/d2/render/psf/
pkg://aleader-0.5.2.tar.bz2:283012/ale-0.9.0/doc/user/  downloads[DIR]3  aleader-0.5.2.tar.bz2/ale-0.9.0/doc/user/psf/
pkg://aleader-0.5.2.tar.bz2:283012/ale-0.9.0/doc/html-original/ALE/download/ale-0.8.x-user/rendering/  downloads[DIR]3  aleader-0.5.2.tar.bz2/ale-0.9.0/doc/html-original/ALE/download/ale-0.8.x-user/rendering/psf/
pkg://aleader-0.5.2.tar.bz2:283012/ale-0.9.0/doc/html-original/ALE/download/ale-0.7.x-user/rendering/  downloads[DIR]3  aleader-0.5.2.tar.bz2/ale-0.9.0/doc/html-original/ALE/download/ale-0.7.x-user/rendering/psf/
pkg://aleader-0.5.2.tar.bz2:283012/ale-0.9.0/d2/render/  downloads[DIR]3  aleader-0.5.2.tar.bz2/ale-0.9.0/d2/render/psf/
[DIR]  ftp://ftp1.sinica.edu.tw/pub1/python/www.python.org/psf/
[DIR]  ftp://192.35.246.12/pub/util/.+eclipse/technology/actf/psf/
[DIR]  ftp://64.50.238.52/.1/eclipse/technology/actf/psf/
[DIR]  ftp://64.50.236.52/.1/eclipse/technology/actf/psf/
[DIR]  ftp://ftp.uniovi.es/pub/mirrors/ftp.python.org/pub/www.python.org/psf/
[DIR]  ftp://ftp.uniovi.es/pub/mirrors/ftp.python.org/pub/www.python.org/files/psf/
[DIR]  ftp://ftp.uniovi.es/pub/mirrors/ftp.python.org/pub/www.python.org/psf/weblog/psf/
[DIR]  ftp://ftp.eng.auburn.edu/pub/jainneh/simulation/Var/spectre/layout/psf/
[DIR]  ftp://ftp.eng.auburn.edu/pub/jainneh/simulation/cell1/spectre/schematic/psf/
[DIR]  ftp://ftp.eng.auburn.edu/pub/jainneh/cadence/simulation/cell1/hspiceS/schematic/psf/
[DIR]  ftp://ftp.eng.auburn.edu/pub/jainneh/cadence/simulation/cell1/spectre/schematic/psf/
[DIR]  ftp://ftp.eng.auburn.edu/pub/yangday/novelLNA/spectre/schematic/psf/
[DIR]  ftp://ftp.li.kernel.org/pub/.4/eclipse/technology/actf/psf/
pkg://fontypython-0.2.0-5.fc5.noarch.rpm:199428/fonty-1.0.orig/  info  downloads[DIR]3  fontypython-0.2.0-5.fc5.noarch.rpm/fonty-1.0.orig/psf/
pkg://iraf-dev_2.11.3-2_all.deb:11914/usr/iraf/iraf/noao/digiphot/daophot/  info  downloads[DIR]3  iraf-dev_2.11.3-2_all.deb/usr/iraf/iraf/noao/digiphot/daophot/psf/
pkg://iraf_2.11.3.orig.tar.gz:12760391/usr/iraf/iraf/noao/digiphot/daophot/  downloads[DIR]3  iraf_2.11.3.orig.tar.gz/usr/iraf/iraf/noao/digiphot/daophot/psf/
pkg://irb-0.6.1.tgz:27822/iraf-2.11.3/noao/digiphot/daophot/  downloads[DIR]3  irb-0.6.1.tgz/iraf-2.11.3/noao/digiphot/daophot/psf/
pkg://netatalk-1.4b2+asun2.1.3.tar.gz:338362/netatalk-1.3.3/etc/  downloads[DIR]3  netatalk-1.4b2+asun2.1.3.tar.gz/netatalk-1.3.3/etc/psf/
pkg://netatalk-1.4b2+asun2.1.3.tar.gz:338391/netatalk-1.4b2+asun2.1.3/etc/  downloads[DIR]3  netatalk-1.4b2+asun2.1.3.tar.gz/netatalk-1.4b2+asun2.1.3/etc/psf/
pkg://netatalk-1.4b2+asun2.1.4.tar.gz:423555/netatalk-1.4b2+asun2.1.3/etc/  downloads[DIR]3  netatalk-1.4b2+asun2.1.4.tar.gz/netatalk-1.4b2+asun2.1.3/etc/psf/
pkg://netatalk-1.4b2.tar.gz:262877/netatalk-1.4b2+asun2.1.4/etc/  downloads[DIR]3  netatalk-1.4b2.tar.gz/netatalk-1.4b2+asun2.1.4/etc/psf/
pkg://netatalk-1.5.2-3.i386.rpm:402614/netatalk-1.4b2/etc/  info  downloads[DIR]3  netatalk-1.5.2-3.i386.rpm/netatalk-1.4b2/etc/psf/
pkg://netatalk-1.5.3.1.tgz:323157/netatalk-1.5.3.1/etc/  downloads[DIR]3  netatalk-1.5.3.1.tgz/netatalk-1.5.3.1/etc/psf/
pkg://netatalk-1.6.2-2mdk.x86_64.rpm:424402/netatalk-1.6.1/etc/  info  downloads[DIR]3  netatalk-1.6.2-2mdk.x86_64.rpm/netatalk-1.6.1/etc/psf/