Davis - Collected Papers Volume 2 Part 2 - paperback or softback - X555z

Girty - Collected Papers Volume 3 - paperback or softback - X555z

Petrunkevitch - Collected Papers Volume 2... - paperback or softback - X555z

Grabau - Collected Papers Volume 2... - paperback or softback - 16 - X555z

Douglass - Collected Papers Volume 2 - New paperback or softback - 30 - X555z

Brusina - Collected Papers Volume I - New paperback or softback - X555z

Darton - Collected Papers Volume 2 - New paperback or softback - 33 - X555z

Hay - Collected Papers Volume 5... - paperback or softback - X555z