Major Keller was noted for piloting an extensively modified, refurbished and customized version of the Gladiator; as the first BattleMech design to be produced within the Draconis Combine - and one which was produced for less than 30 years - Keller's dedication to this ancient machine is remarkable.
- Historical Turning Points: New Dallas, p. 5
- Mercenaries Supplemental II, p. 30 - "Unit Profile"
- Mercenaries Supplemental Update, p. 49 - "Unit Profile"
- Technical Readout: 3075, p. 206, "GLD-4R Gladiator"