Portrait of Ludwig Vogelstein; New York Portraits Men

Photographer's stamp bottom right: Pirie MacDonald Photographer-of-Men New York

Albert Einstein with Coriolano Alberini and unidentified men; Buenos Aires, Argentina Portraits Groups; Men

Dedication: Al Prof. Alberto Einstein, maestro y amigo, signed Coriolano Alberini, Dean of the Faculty of Philosophy and Literature of the University of Buenos Aires