Quellen
https://www.google.ch/search?q=halloween&hl=de&biw=1280&bih=930&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiMlpmh48rPAhWD7hoKHfSKB5UQ_AUIBigB#hl=de&tbm=isch&q=wei%C3%9Fe+und+schwarze+w%C3%B6lfe&imgrc=DdSBPiG-fe3RuM%3A
https://www.google.ch/search?q=halloween&hl=de&biw=1280&bih=930&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiMlpmh48rPAhWD7hoKHfSKB5UQ_AUIBigB#hl=de&tbm=isch&q=heulende+w%C3%B6lfe+im+schnee&imgrc=X7IGVAFWFRhMqM%3A
https://www.google.ch/search?q=schneesturm&biw=1280&bih=930&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjQ8JH3qZHQAhUInRQKHTe_Bb0Q_AUIBigB#tbm=isch&q=wolf+pfotenabdr%C3%BCcke+im+schnee&imgdii=Q2sexQMb6wK0tM%3A%3BQ2sexQMb6wK0tM%3A%3BzdNL0r1Ti5exxM%3A&imgrc=Q2sexQMb6wK0tM%3A