Twin directories of em:

[DIR]  ftp://ftp.inf.utfsm.cl/pub/tex-archive/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/editors/em/
[DIR]  ftp://ftp.kreonet.re.kr/CTAN/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp.uni-koeln.de/tex/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/latex/dante/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp.ics.muni.cz/pub/EMIS/journals/em/em/
[DIR]  ftp://ftp.ics.muni.cz/pub/EMIS/journals/em/
[DIR]  ftp://24.215.0.24/CTAN/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.sztaki.hu/pub/tex/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.tug.ctan.org/pub/tex-archive/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp.dc.aleron.net/pub/FreeBSD/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp13.freebsd.org/pub/www.getdeb.net/ubuntu/hardy/em/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp13.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/src/sys/dev/em/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/src/sys/modules/em/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/ports/editors/em/
[DIR]  ftp://ftp13.freebsd.org/cvsup/ncvs/CVSROOT-ports/editors/em/
[DIR]  ftp://ftp.tug.org/texlive/Contents/live/texmf-dist/tex/latex/em/
[DIR]  ftp://ftp.tug.org/texlive/Contents/live/texmf-dist/source/latex/em/
[DIR]  ftp://ftp.tug.org/texlive/Contents/live/texmf-dist/doc/latex/em/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/.mounts/hde1/rsync.mozdev.org/mozdev/extensionroom/em/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp.ieee.org/info/soc/em/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/sys/dev/em/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/sys/modules/em/
[DIR]  ftp://ftp.nz.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/editors/em/
[DIR]  ftp://ftp.tu-ilmenau.de/Mirrors/tex/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp.cvut.cz/mirrors/ctan.org/macros/latex/contrib/psnfssx/em/
[DIR]  ftp://ftp1.sinica.edu.tw/pub1/tex/macros/latex/contrib/psnfssx/em/