T H E C O L L E C T E D PA P E R S O F
Albert Einstein
VOLUME 7
T H E B E R L I N Y E A R S :
W R I T I N G S , 1 9 1 8 – 1 9 2 1
ENGLISH TRANSLATION
OF SELECTED TEXTS
Alfred Engel, TRANSLATOR
Engelbert Schucking, CONSULTANT
Princeton University Press
Princeton and Oxford