Here you can find most of them http://docs.freebsd.org/44doc/ They are removed either because license or because they are out-dated.
2009/10/5 Vadim Zhukov <persg...@gmail.com>: > Hello all. > > Does anyone know by what reason empty directories in /usr/share/doc/psd > (say, 10.gdb) still persist in base sets? And what's the recommended > alternative for them - "info xxx"? > > -- > B Best wishes, > B B Vadim Zhukov > > A: Because it messes up the order in which people normally read text. > Q: Why is top-posting such a bad thing? > A: Top-posting. > Q: What is the most annoying thing in e-mail? > > -- http://www.openbsd.org/lyrics.html