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

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

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

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

Knight - Collected Papers Volume 1... - New paperback or softback - 5 - X555z

RESEARCH LABORATORY - Collected Papers - paperback or softback - 70 - X555z

Parke - Collected Papers From The Research Laboratory Volume 6... - p - X555z

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