Twin directories of en-US:

[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/thunderbird/releases/2.0.0.19/linux-i686/en-US/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/thunderbird/releases/2.0.0.19/win32/en-US/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/thunderbird/releases/2.0.0.19/update/win32/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/firefox/releases/latest/linux-i686/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/firefox/releases/latest/mac/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/firefox/releases/latest/update/linux-i686/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/firefox/releases/latest/update/mac/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/firefox/releases/latest/update/win32/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/firefox/releases/latest/win32/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/thunderbird/releases/latest/linux-i686/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/thunderbird/releases/latest/mac/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/thunderbird/releases/latest/update/linux-i686/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/thunderbird/releases/latest/update/mac/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/thunderbird/releases/latest/update/win32/en-US/
[DIR]  ftp://ftp.saintjoe.edu/pub/mozilla.org/thunderbird/releases/latest/win32/en-US/
[DIR]  ftp://ftp.ntu.edu.tw/pub/mozilla/firefox/releases/3.5rc2/update/win32/en-US/
[DIR]  ftp://ftp.ntu.edu.tw/pub/mozilla/firefox/releases/3.5rc2/win32/en-US/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/thunderbird/releases/2.0.0.18/linux-i686/en-US/
[DIR]  ftp://15.193.112.29/ftp1/save/pub/printers/ews_help/en-US/
[DIR]  ftp://ftp.up.pt/pub/mozilla/seamonkey/releases/2.0rc2/linux-i686/en-US/
[DIR]  ftp://ftp.bg.debian.org/mozilla/thunderbird/releases/2.0.0.18/update/mac/en-US/
[DIR]  ftp://ftp.bg.debian.org/mozilla/thunderbird/releases/2.0.0.18/update/win32/en-US/
[DIR]  ftp://ftp.bg.debian.org/mozilla/thunderbird/releases/2.0.0.18/win32/en-US/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/firefox/releases/3.5rc2/update/linux-i686/en-US/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/firefox/releases/3.5rc2/update/mac/en-US/
[DIR]  ftp://83.166.201.99/mozilla/thunderbird/releases/3.0b4/mac/en-US/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/mozilla/firefox/releases/3.5rc2/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/thunderbird/releases/2.0.0.19/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/thunderbird/releases/3.0b2/update/linux-i686/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/thunderbird/releases/3.0b2/update/mac/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/thunderbird/releases/3.0b2/update/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/thunderbird/releases/3.0b2/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0b5/linux-i686/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0b5/mac/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0b5/update/linux-i686/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0b5/update/mac/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0b5/update/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0b5/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0rc1/linux-i686/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0rc1/mac/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0rc1/update/linux-i686/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0rc1/update/mac/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0rc1/update/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/3.0rc1/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/granparadiso/alpha1/linux-i686/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/granparadiso/alpha1/mac/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/granparadiso/alpha1/win32/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/granparadiso/alpha2/linux-i686/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/granparadiso/alpha2/mac/en-US/
[DIR]  ftp://ftp.kreonet.re.kr/Mozilla/mozilla.org/firefox/releases/granparadiso/alpha2/update/linux-i686/en-US/