München: Hanser, 1947

American Institute of Biological Sciences, 1957

Oxford University Press (OUP), 1956

American Institute of Biological Sciences, 1956

Ovid Technologies (Wolters Kluwer Health), 1956

Ovid Technologies (Wolters Kluwer Health), 1940

The Intelligencer Printing Company, 1923

Oxford University Press (OUP), 1957

American Association for the Advancement of Science (AAAS), 1950

The American Association for the Advancement of Science, 1950