75/2215 Einstein, A. Die Grundlage der allgemeinen Relativitätstheorie. Berlin, J.P. Barth, 1916 [= 1919], 62[of 64]p., orig. wr.

- Lacks title-p.; contents loose. Covers loose/ sl. frayed/ chipped.

= Early reprint edition of the first separate edition, published before in Annalen der Physik, Vierte Folge, vol. 49, p.769-822. Imprint on backwrapper is "Metzger & Wittig, Leipzig. 285" and some of the books advertised on backwrapper have the date "1919". Boni 78.1; Weil 80a; PMM 408; Norman Library 696 and cf. 695: "The theory's impact upon twentieth-century science and thought can hardly be overstated."