Steam Installer (October 8th, 2004) : Valve Corporation : Free Download, Borrow, and Streaming : Internet Archive

This is an offline installer for Steam, sourced from an unofficial standalone installer CD of Half-Life 2 Collector

News - Steam Community Announcements

News - Steam Community Announcements

Steam in 2004 : r/gaming

Jose Cruz Martinez-Ramirez (G4LLQ) Favorites : Free : Free Download, Borrow and Streaming : Internet Archive

News - Steam Blog

This is how steampowered.com looked when I bought a boxed copy of Day Of Defeat. I was furious that I had to install steam with it :) : r/Steam

Steam engines : Free Download, Borrow, and Streaming : Internet Archive

Sierra Valve Half Life 2 (Windows DX9)(2004)(Eng) : Free Download, Borrow, and Streaming : Internet Archive

News - Steam Blog

Steam November 2005 Build : Valve : Free Download, Borrow, and Streaming : Internet Archive

What is a possible way of moving Steam games between accounts on one PC? - Quora

Steam : its generation and use : Babcock & Wilcox Company : Free Download, Borrow, and Streaming : Internet Archive