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

Hooley - Collected Papers Volume 1 - New paperback or softback - 99 - X555z

Bunge - Collected Papers of Al Volume I - New paperback or softback - X555z

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

Gester - Collected Papers Volume 1 - New paperback or softback - 36 - X555z

Bowers - Collected Papers Volume 1 - New paperback or softback - 73 - X555z

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

Farr - Collected Papers Volume 1 - New paperback or softback - 14 - X555z