- Leonard D. Brown. "Harry's Hazardous Day: Workplace Examinations Training," Society for Mining, Metallurgy, & Exploration Annual Conference (SME), Denver, CO, Feb. 19-22, 2017.
Available at https://www.youtube.com/watch?v=jj-h_b8BeuI
- Leonard D. Brown & Steve Gravely. "Serious Games for Teaching Fatalgrams, Hazards Recognition, and Evacuation Drills." Western Region Mine Safety & Health Conference, Reno, NV, Oct 28-29, 2014. (Exhibit)
- Leonard D. Brown. "Harry's Hard Choices: 101 Bad Outcomes," Society for Mining, Metallurgy, & Exploration Annual Conference (SME), Salt Lake City, UT, Feb. 23-26, 2014.
Available at https://www.youtube.com/watch?v=2jaiC6fBaQI
- Leonard D. Brown. "Harry's Hard Choices Interactive: A Gameplay Preview," Society for Mining, Metallurgy, & Exploration Annual Conference (SME), Denver, CO, Feb. 24-27, 2013.
Available at https://www.youtube.com/watch?v=1OQg3a0clzo
- Leonard D. Brown. "Harry's Hard Choices: An Interactive Game for Mine Emergency Preparedness," 8th Annual Western Region Mine Safety & Health Conference, Reno, NV, Oct 22-24, 2012.
Available at https://www.youtube.com/watch?v=1AEiUF0z2Xk
- Leonard D. Brown. "Interactive Fatalgram Simulator: Video Demonstration," 7th Annual Western Region Mine Safety & Health Conference, Las Vegas, NV, Oct 24-26, 2011.
Available at https://www.youtube.com/watch?v=8BejF-7Cl2M