por Schroeder, Hubert E [autor] | Hormann, Joachim [ilustrador] | Jeannottat, Magdalena [ilustrador] | Listgarten, Max A [prologuista] | Jacobi, Richard, D.D.S [traductor].
por Grant, Daniel A [editor] | Stern, Irving B [editor] | Listgarten, Max A [editor] | Orban, Balint J. (Balint Joseph), 1899-1960 | Gottlieb, Bernhard, 1885-.