. . "VALTIN, Jan, pseud. [i.e. Richard Julius Herman Krebs.]" . "I. A. Valtin" . "Ян Валтин" . "pseud Jan Valtin" . "Berg" . . "1904-12-17" . "Rikhard Krebs" . . . "1951-01-01" . "I︠A︡n Valtin" . "Richard Julius Hermann. Krebs" . "I. A." . "Valtin"@en . "Gutmund" . "G. F. Collins" . . . "VALTIN" . "Richard Julius Herman Krebs" . "Ing. Berg" . "Valtin, Jan, pseud. van Richard Julius Herman Krebs" . "Rolf Gutmund" . "Ян" . . "Rikhard" . . . "(Pseudonym) Jan Valtin" . "pseud Jan VALTIN" . "Krebs" . "Krebs" . "Ing" . "Ing Berg" . . "Ing." . "VALTIN, Jan, pseud" . . "Valtin, Jan, (Pseudonym)" . . "Richard Hermann Julius Krebs" . "Richard Krebs" . "I︠A︡n" . "Valtin, Jan, pseud" . "Rolf" . "Josef" . . . "Heller" . "Richard" . "Jan Valtin" . . . "Collins" . . . . . "(Richard Krebs) Jan Valtin" . "Валтин" . . "Richard Julius Hermann Krebs" . "Valtin, Jan. (Richard Krebs)" . "G. F." . . "Jan"@en . "Josef Heller" . "Jan Valtin"@en . "pseud. van Richard Julius Herman Krebs Jan Valtin" . . "pseud. [i.e. Richard Julius Herman Krebs.] Jan VALTIN" . "Valtin"@fr-FR .