Friedman - Oligopoly Theory - New paperback or softback - X555z

Koh - Invariant Theory - New paperback or softback - X555z

Kreith - Oscillation Theory - New paperback or softback - X555z

Vasquez - Stable Homotopy Theory - New paperback or softback - X555z

Laborde - Republicanism Political Theory - New paperback or softback - X555z

Janssen - Applied Semi-Markov Processes - New paperback or softback - - X555z

Wermer - Potential Theory - New paperback or softback - 01 - X555z

Hogben - Statistical Theory - New paperback or softback - 99 - X555z