During World War II Schiltz was a member of the Nationaal-Socialistische Jeugd Vlaanderen (English: National Socialist Youth Flanders).
Victor Hugo | Hugo Boss | Hugo | Hugo Chávez | Hugo Award | Hugo Black | Hugo Weaving | Hugo Pratt | Hugo Grotius | Hugo Claus | Hugo Ball | Hugo von Hofmannsthal | Hurricane Hugo | Hugo Santiago | Hugo Chavez | Hugo Award for Best Fanzine | Jean Hugo | Hugo Gernsback | Hugo Falcandus | Hugo de Vries | Richard Hugo House | Marion Delorme (Hugo) | Hugo Theorell | Hugo Steinhaus | Hugo Sánchez | Hugo Rune | Hugo Rafael Soto | Hugo Münsterberg | Hugo Markl | Hugo Lederer |
Geert van Istendael (ed.), Jean-Maurice Dehousse, Jean Gol, Jean-Pierre de Bandt, Sophie de Schaepdrijver, Hugo Schiltz, Het nut van Belgie, Amsterdam, Atlas, 1993.