ftp://ftp.nrc.ca/pub/docs/  direct

[DIR]standards/  direct  382+ twin directories
[DIR]sca/  direct  1889+ twin directories
[DIR]rfcs/  direct  42 twin directories
[DIR]onet/  direct  7 twin directories
[DIR]nsfnet/  direct  14 twin directories
[DIR]network-maps/  direct
[DIR]lpf/  direct  42 twin directories
[DIR]libellus/  direct
[DIR]internet-drafts/  direct  209+ twin directories
[DIR]gutenberg/  direct  48 twin directories
[DIR]dictionaries/  direct  1245+ twin directories