1. Let's play safe Publication: Wien : Österreichische AIDS-Hilfe, 1987 Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlSafe SexAnniversaries and Special Events
2. The Rudolf Leuckart celebration Author(s): Stiles, Charles Wardell, 1867-1941, author Publication: [New York] : [publisher not identified], [1895] Subject(s): ZoologyAnniversaries and Special EventsLeuckart, Rudolf, 1823-1898.