Twin directories of Robots:

[DIR]  ftp://ftp.kanga.nu/MUD/Robots/
[DIR]  ftp://ftp.rt.mipt.ru/pub/Library/Lem/Robots/
[DIR]  ftp://ftp.eecs.umich.edu/groups/cbc/Robots/
[DIR]  ftp://ftp.cis.upenn.edu/pub/jpo/pix/Robots/
[DIR]  ftp://ftp.lysator.liu.se/pub/sf-texts/clipart/Robots/