The original photographs included in this work were acquired or found in several countries, with no information at all on their origin, authorship or identity of the people depicted in them. We assume these images were lost because whoever they belonged to disappeared. If that is not the case, and this work is seen by someone who can identify and prove a relationship to the people in the pictures, or the one who made them, we will gladly identify them, respecting their authorship or return the originals.