http://www.htmlworld.ee/download/ie/dlful30f.exe
ftp://ftp.uni-koeln.de/net/inet/WWW/iexplore-3/english/win31/dlful30f.exe
http://asgard.actrix.co.nz/iexplore/win16/dlful30f.exe
http://www.devili.iki.fi/pub/browsers/Microsoft/win3/dlful30f.exe
Courtesy of Lightspeed's Reference Page