ftp://ftp.zenez.com/pub/SCO/Skunk96/UnixWare/FreeBird/x11/utils/xscreensaver-1.18.src.tar.Z
-rw-r--r-- 1 zblaxell zblaxell 223601 Feb 27 13:58 xscreensaver-1.18.src.tar.Z
8f6a59ffb01673cb52775361dae56fe1c86e47ef  xscreensaver-1.18.src.tar.Z

ftp://ftp.ntnu.no/old/pub/X11/R5contrib/xscreensaver-1.17.tar.gz
-rw-r--r-- 1 zblaxell zblaxell 108551 Feb 27 14:00 xscreensaver-1.17.tar.gz
db81f5a260a152f79d884bcf855c7cf287e32b0f  xscreensaver-1.17.tar.gz

In the beginning...