Twin directories of hdrs:

[DIR]  ftp://ftp.cse.buffalo.edu/mirror/BSD/FreeBSD-Archive/old-releases/i386/1.0-RELEASE/ports/elm/hdrs/
[DIR]3  auis2.tar.gz/auis-6.3/overhead/util/hdrs/
[DIR]3  auis2.tar.gz/auis-6.3/overhead/mail/hdrs/
[DIR]3  auis2.tar.gz/auis-6.3/overhead/eli/hdrs/
[DIR]3  auis635L1-mail.tgz/auis-6.3/ams/libs/hdrs/
[DIR]3  auis635L1-mail.tgz/auis-6.3/ams/delivery/hdrs/
[DIR]  ftp://ftp.uni-jena.de/pub/security/PGP/utils/elm/elm2.4.ME+.15/hdrs/
[DIR]  ftp://ftp.cronyx.ru/pub/FreeBSD.archive/old-releases/i386/1.0-RELEASE/ports/elm/hdrs/
[DIR]  ftp://www.mathematik.uni-kl.de/pub/Sources/mail+news/elm/hdrs/
[DIR]3  elm-2.4.25-14.i386.rpm/hdrs/
[DIR]3  elm-2.4.tar.gz/hdrs/
[DIR]3  elm-2.4ME+100.tar.gz/elm2.4.ME+.0/hdrs/
[DIR]3  elm-2.4ME+108.tar.gz/elm2.4.ME+.100/hdrs/
[DIR]3  elm-2.4ME+111.tar.gz/elm2.4.ME+.108/hdrs/
[DIR]3  elm-2.4ME+112.tar.gz/elm2.4.ME+.111/hdrs/
[DIR]3  elm-2.4ME+113.tar.gz/elm2.4.ME+.112/hdrs/
[DIR]3  elm-2.4ME+114.tar.gz/elm2.4.ME+.113/hdrs/
[DIR]3  elm-2.4ME+115.tar.gz/elm2.4.ME+.114/hdrs/
[DIR]3  elm-2.4ME+116.tar.gz/elm2.4.ME+.115/hdrs/
[DIR]3  elm-2.4ME+117.tar.gz/elm2.4.ME+.116/hdrs/
[DIR]3  elm-2.4ME+118.tar.gz/elm2.4.ME+.117/hdrs/
[DIR]3  elm-2.4ME+119.tar.gz/elm2.4.ME+.118/hdrs/
[DIR]3  elm-2.4ME+120.tar.gz/elm2.4.ME+.119/hdrs/
[DIR]3  elm-2.4ME+121.tar.gz/elm2.4.ME+.120/hdrs/
[DIR]3  elm-2.4ME+122.tar.gz/elm2.4.ME+.121/hdrs/
[DIR]3  elm-2.4ME+123.tar.gz/elm2.4.ME+.122/hdrs/
[DIR]3  elm-2.4ME+124.tar.gz/elm2.4.ME+.123/hdrs/
[DIR]3  elm-2.4ME+15.tar.gz/elm2.4.ME+.124/hdrs/
[DIR]3  elm-2.4ME+66.tar.gz/elm2.4.ME+.15/hdrs/
[DIR]3  elm-2.4ME+66.tgz/elm2.4.ME+.66/hdrs/
[DIR]3  elm-2.4ME+88.tar.gz/elm2.4.ME+.87/hdrs/
[DIR]3  elm-2.4ME+92.tar.gz/elm2.4.ME+.88/hdrs/
[DIR]3  elm-2.4ME+93.tar.gz/elm2.4.ME+.92/hdrs/
[DIR]3  elm-2.4ME+94.tar.gz/elm2.4.ME+.93/hdrs/
[DIR]3  elm-2.4ME+95.tar.gz/elm2.4.ME+.94/hdrs/
[DIR]3  elm-2.4ME+96.tar.gz/elm2.4.ME+.95/hdrs/
[DIR]3  elm-2.4ME+98.tar.gz/elm2.4.ME+.96/hdrs/
[DIR]3  elm-2.4ME+99.tar.gz/elm2.4.ME+.98/hdrs/
[DIR]3  elm-2.4pl24me8.tar.gz/elm2.4.ME+.99/hdrs/
[DIR]3  elm-2.5.2.tar.gz/elm-2.4pl24me8/hdrs/
[DIR]3  elm-2.5.3-11.src.rpm/elm2.5.2/hdrs/
[DIR]3  elm2.4h4.1.tar.gz/hdrs/
[DIR]3  elm2.5-alpha3.tar.gz/elm2.4h4.1/hdrs/
[DIR]3  elm2.5.1.tar.gz/elm2.5.alpha3/hdrs/
[DIR]3  elm2.5.2.tar.gz/elm2.5.1/hdrs/
[DIR]3  elm2.5.3.tar.gz/elm2.5.2/hdrs/
[DIR]3  elm2.5.5.tar.gz/elm2.5.3/hdrs/
[DIR]3  elm2.5.6.tar.gz/elm2.5.5/hdrs/
[DIR]3  elm2.5.7.tar.gz/elm2.5.6/hdrs/
[DIR]3  elm2.5.8.tar.bz2/elm2.5.7/hdrs/