Metoroporisu: Daitoka, an early science fiction comic strip book, September 1949, by Tezuka Osamu, soon to become one of Japan's leading postwar cartoonists. Note use of English: Metropolis, the Great City in the 20th Century.

Gordon W. Prange Collection, University of Maryland Libraries. Recent discoveries in the Prange Collection include several of Tezuka Osamu's earliest cartoons.