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

Boule - Collected Papers Volume 2 - paperback or softback - 48 - X555z

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

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

Eastman - Collected Papers Volume 2 - paperback or softback - 88 - X555z

Osborn - Collected Papers Volume 4... - New paperback or softback - X555z

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

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