Publisher
- The World Publishing Company3
- A.J. App2
- Ace Books2
- Alfred A. Knopf2
- Aurora Verlag2
- Bobbs-Merrill2
- C. Scribner's Sons2
- Coward-McCann, Inc.2
- Doubleday2
- Doubleday & Company, Inc.2
- E.P. Dutton2
- Ediciones Nueva Epoca2
- Editorial Atlántida2
- Europa Verlag2
- G.P. Putnam's Sons2
- Grossett & Dunlap2
- H. Holt and Co.2
- Harcourt, Brace and Company2
- Harper & Bros.2
- Houghton Mifflin2