Problemkinder.
By: [Zum 46. Jahresbericht des Instituts für Jugendkunde und Jugendbildung e. V., Bremen]
Contributors: Valentiner, Theodor.
Published: 1958
Place of publication: Bremen
Language: ger
Number of pages: 64
Subjects: Problem children.
Notes: "Vorwort" signed: Theodor Valentiner.