https://ftp.funet.fi/pub/unix/TeX/TeX-3.1/TeXgraphics/pictex/?C=S;O=A
Index of /pub/unix/TeX/TeX-3.1/TeXgraphics/pictex
index ofpubunixtex
https://ftp.fau.de/ctan/documentation/pictex/?C=S;O=D
Index of /ctan/documentation/pictex
index ofctandocumentation
https://foldoc.org/PicTeX
PicTeX from FOLDOC
foldoc
https://www.pictex.jp/index.html
PICTEX.JP
jp