75/2217 Einstein, A. Vier Vorlesungen über Relativitätstheorie gehalten im Mai an der Universität Princeton. Braunschweig, F. Vieweg & Sohn, 1922, 1st ed., (4),70,(2 advert.)p., 4 ills., orig. wr.

- Owner's stamp and entry on title-p. Owner's stamp on frontcover; covers sl. browned and w. one sm. tear; backwr. reattached.

= First edition. Weil 124; Norman 697.