1. Farbe bekennen!: Welt-Aids-Tag, 1. Dezember Publication: Köln : Bundeszentrale für gesundheitliche Aufklärung, [19--?] Subject(s): Acquired Immunodeficiency SyndromeAnniversaries and Special Events
2. Internationale Hygiene-Ausstellung Publication: Dresden, Germany : [Exhibition Palace], 1911 Subject(s): EyeAnniversaries and Special EventsInternational Hygiene Exhibition