78/2164 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 of A.W.H. van Herk on title-p. and frontcover; owner's entry of "H. Dulfer" in pen and ink on title-p.; covers sl. browned and w. sm. tear; backstrip restored.

= First edition. Weil 124; Norman 697.