Incoming Resources
- Society for Mining, Metallurgy, and Exploration, Englewood, Colo., c2011
- Libraries Unlimited, Englewood, Colo., 1999
- Anchor Bay Entertainment, Starz Home Entertainment, Englewood, Colo., 2007,1978
- Libraries Unlimited, Englewood, Colo., 1995
- Libraries Unlimited, Englewood, Colo., 1995-