アインスタイン教授講演録

Mode of access: Internet.

Inventaire général des richesses d'art de la France.

At head of title: Ministère de l'instruction publique et des beaux-arts.

The foundations of Einstein's theory of gravitation /

Mode of access: Internet.

Introduction to Einstein and universal relativity

Mode of access: Internet.

Autographed photo of Gustav Holst, 1923

2 scans; 1of2 includes inscription, 2of2 just image

Alexander Herzen; en av den ryska revolutionens föregångsmän.

Mode of access: Internet.

Proceedings of the American Chemical Society.

Photolithograph reproduction by permission of the American Chemical Society.