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

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

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

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

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

Claypole - Collected Papers Volume 2 - New paperback or softback - 68 - X555z

Hill - Collected Papers Volume 1... - paperback or softback - 69 - X555z

Morse - Collected Papers Volume 1 - paperback or softback - 70 - X555z