ftp://ftp.lf.net/pub/hp48/  direct

[DIR]user-interface/  direct  31 twin directories
[DIR]tools/  direct  51106+ twin directories
[DIR]system/  direct  6570+ twin directories
[DIR]sound/  direct  18796+ twin directories
[DIR]programming/  direct  1025+ twin directories
[DIR]physics/  direct  387+ twin directories
[DIR]other-computer/  direct
[DIR]misc/  direct  65535+ twin directories
[DIR]math/  direct  14904+ twin directories
[DIR]hacker/  direct  26 twin directories
[DIR]grobs/  direct  4 twin directories
[DIR]graphic/  direct  701+ twin directories
[DIR]games/  direct  65314+ twin directories
[DIR]fileutil/  direct  428+ twin directories
[DIR]doc/  direct  65535+ twin directories
[DIR]demos/  direct  8993+ twin directories
[DIR]date+time/  direct  5 twin directories
[DIR]database/  direct  4986+ twin directories
[DIR]communication/  direct  168 twin directories
[DIR]archive+decode/  direct
[DIR]ARCHIVE/  direct  100 twin directories