MATHEMATICS -- WEYL, H. Raum, Zeit, Materie. Vorlesungen über allgemeine Relativitätstheorie. Berlin, J. Springer, 1918. viii, 234, (2) pp. Owrps., uncut. (Spine a bit dam., upper margin last lvs. a bit dented, but a good copy).
"Weyl’s book, 'Raum-Zeit-Materie', beautifully exemplifies the fruitful and harmonious interplay of mathematics, physics and philosophy. Here Weyl aims at a mathematical and philosophical elucidation of the problem of space and time in general." (Stanford Encycl. of Phil.). - First edition. Bookplate of J.H. Schogt & Ida J. Schogt-van Rijn on v° front cover).€ 100