By De Kruif, Paul.
Madrid Aguilar 1967 .
360 p. : , Translation of: Microbe hunters.

By De Kruif, Paul.
New York Harcourt, Brace and company 1943 .
6 p.l., 3-158 p. , "First edition." 21 cm..

By De Kruif, Paul.
New York Harcourt, Brace and company 1938 .
6 p.l., 3-342 p.

By De Kruif, Paul.
New York Blue Ribbon Books 1926 .
363 p. : , Includes index.

By De Kruif, Paul.
New York Harcourt, Brace and company 1928 .
6 p. l., 3-377 p. 23 cm..

By De Kruif, Paul.
New York Harcourt, Brace and company 1932 .
viii p., 3 l., 3-363 p. , At head of title: Paul De Kruif. | "First edition." 23 cm..

By De Kruif, Paul.
New York Blue Ribbon Books 1928 .
376 p.

By De Kruif, Paul.
New York Harcourt, Brace & World 1962 .
270 p. 22 cm..