The Heart That Changed Color

Myron Waldman

Joel Herron

Ron Marshall

Earl Hammond

Helene Miles

Health for the Americas: Cleanliness Brings Health

29 juin 1945

Shôgakusei no yûkai bôshi: Yumi-chan abunai yo!

21 mai 1991

Pas de fumée sans feu

3 mai 1947

The Grain That Built a Hemisphere

2 janv. 1943

The New Spirit

22 janv. 1942

The Story of Menstruation

18 oct. 1946