Guide to the 1879-S Reverse of 1878 Morgan Silver DollarsDavid T. Wang, Michael S. Fey · First published 2026Open the Tome
Morgan Dollar 8 & 7 over 8 Tail Feather StoryLeroy C. Van Allen, Michael S. Fey · First published 2024Open the Tome
Hyperbolic Problems Vol. II : Theory, Numerics, ApplicationsMichael S. Fey, Rolf Jeltsch · First published 1999Open the Tome
