Twin directories of advent:

[DIR]  ftp://ftp.funet.fi/.m/mirrors1/ftp.ifarchive.org/if-archive/programming/advent/
[DIR]  ftp://ftp.digitaltrust.it/ftp/savannah/files/advent/
[DIR]  ftp://ftp.uni-duesseldorf.de/pub/unix/minix/1.7.1/i86/lib/advent/
[DIR]  ftp://ftp.uni-duesseldorf.de/pub/unix/minix/1.7.1/src/src/commands/advent/
[DIR]  ftp://ftp.trailing-edge.com/pub/rt11freewarev2/split/misc/advent/
[DIR]  ftp://ftp.uni-mainz.de/pub/software/gnu/savannah/files/advent/
[DIR]  ftp://sapi.vlsm.org/gnuftp/savannah/files/advent/
[DIR]  ftp://147.52.159.12/mirrors/nongnu.org/advent/
[DIR]  ftp://200.17.202.1/savannah-nongnu/advent/
[DIR]  ftp://200.17.202.16/savannah-nongnu/advent/
[DIR]  ftp://200.17.202.17/savannah-nongnu/advent/
[DIR]  ftp://ftp.br.debian.org/savannah-nongnu/advent/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/non-gnu/advent/
[DIR]  ftp://ftp.gwdg.de/pub/gnu/www/savannah-checkouts/non-gnu/advent/
[DIR]  ftp://ftp.ifarchive.org/if-archive/programming/advent/
[DIR]  ftp://ftp.nvg.ntnu.no/pub/mirrors/metalab.unc.edu/computer-science/history/pdp-11/rt/misc/advent/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/minnie.cs.adfa.oz.au/1.6/Source/commands/advent/
[DIR]  ftp://ftp.update.uu.se/pub/pdp11/rt/advent/
[DIR]  ftp://ftp.tux.org/sites/minnie.tuhs.org/Other/Coherent/Coherent2/mwcbbs/advent/
[DIR]  ftp://ftp.xemacs.org/sites/minnie.tuhs.org/Other/Coherent/Coherent2/mwcbbs/advent/