Back چانوس دوسا ARZ Jan van der Does German Janus Dousa Esperanto Janus Dousa French Ianus Dousa Latin Janus Dousa Dutch Janus Dousa Polish Janus Dousa Portuguese Дауса, Янус Russian Janus Dousa Swedish
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Janus Dousa (Latinized from Jan van der Does), Lord of Noordwyck (6 December 1545 – 8 October 1604), was a Dutch statesman, jurist, historian, poet and philologist, and the first Librarian of Leiden University Library.