Michael Simms
Layout of the Caves of Chaos, remade from the Mystara Reborn Facebook group posted 8 February 2021.
Hutaakan Tapestry from B10 from the Mystara Reborn Facebook group posted 23 August 2021.
Alternative locations for Rahasia from the BECMI Facebook group posted 10 December 2021. (additional thoughts by Demos Sachlas and Michael Simms)