ftp://trace.wisc.edu/pub/access_utils/  direct

[DIR]win95/  direct  1191+ twin directories
[DIR]win/  direct  7097+ twin directories
[DIR]unix/  direct  21640+ twin directories
[DIR]mac/  direct  23806+ twin directories
[DIR]dos/  direct  3249+ twin directories
[DIR]compress/  direct  1325+ twin directories