1960. Instituto de Formacion Profesional. La Justicia es su Divisa. Signed by both professors Vergara and Leon and dated 1960. 20 pages of typescript, and many pages of illustrations and 8 photographic plates, all printed on rectos only. Original wrappers. Spine stained where Sellotape backing has been lost, else very good. A remarkable thesis suggesting that criminal types can be recognised by a reading of their appearance. Probably one of very few copies produced.