Ordinal computations. - Peter Koepke; Martin Koerwien (Math. Struct. Comput. Sci., 2006)

Comparing Borel Reducibility and Depth of an omega-Stable Theory. - Martin Koerwien (Notre Dame J. Formal Log., 2009)

A complicated omega-stable depth 2 theory. - Martin Koerwien (J. Symb. Log., 2011)

On Absoluteness of Categoricity in Abstract Elementary Classes. - Sy-David Friedman; Martin Koerwien (Notre Dame J. Formal Log., 2011)

The Nonabsoluteness of Model Existence in Uncountable Cardinals for Lω1,ω. - Sy-David Friedman; Tapani Hyttinen; Martin Koerwien (Notre Dame J. Formal Log., 2013)

The joint embedding property and maximal models. - John T. Baldwin 001; Martin Koerwien; Ioannis A. Souldatos (Arch. Math. Log., 2016)

Disjoint Amalgamation in Locally Finite AEC. - John T. Baldwin 001; Martin Koerwien; Michael C. Laskowski (J. Symb. Log., 2017)