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

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

Hatcher - Collected Papers Volume 2... - paperback or softback - 29 - X555z

Hartzell - Collected Papers Volume 2... - paperback or softback - 82 - X555z

Girty - Collected Papers Volume 2 - paperback or softback - 72 - X555z

Blackman - Collected Papers Volume 2 - New paperback or softback - 85 - X555z

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

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