Please forgive me Matthias (RIP), but I have shared my collection of Matthias Gemuh engines here:
http://tonyschess.x10host.com/Gemuh.7z
Included are:
ArcBishop 1.00
ArcBishop 1.00a (two different compiles)
ArcBishop 1.00d
ArcBishop 1.00e
ArcBishop80 1.00 (three different compiles)
BigLion 1.0c
BigLion 1.65
BigLion 1.7c
BigLion 1.80c
BigLion 1.80f
BigLion 2.23p
BigLion 2.23r (two different compiles)
BigLion 2.23t
BigLion 2.23u
BigLion 2.23v (two different compiles)
BigLion 2.23w (two different compiles)
BigLion 2.23x
BigLion80 2.23x
Chancellor 1.00
Chancellor 1.00a (two different compiles)
Chancellor 1.00d
Chancellor 1.00e
Taktix 2.23p
Taktix 2.23r
Taktix 2.23u
Taktix 2.23v (two different compiles)
Taktix 2.23w (three different compiles)
Taktix 2.23x (two different compiles)
If anyone has any other old versions, please share them. I am ALWAYS looking for old versions of engines.