Collection of c. 200 cards filled with handwritten bibliographical notes on the life and works of Levinus Warner (c. 1618-1665), Orientalist and resident for the Dutch Republic to the Sublime Porte between 1655 and 1665. Donated by the Leiden Turcologist Alexander Hendrik de Groot (b. 1943) in December 2012. De Groot is best known for his doctoral dissertation The Ottoman Empire and the Dutch Republic (Leiden 1978, rev. ed. 2012) and numerous articles on Dutch-Ottoman diplomatic relations

Collection of c. 200 cards filled with handwritten bibliographical notes on the life and works of Levinus Warner (c. 1618-1665), Orientalist and resident for the Dutch Republic to the Sublime Porte between 1655 and 1665. Donated by the Leiden Turcologist Alexander Hendrik de Groot (b. 1943) in December 2012. De Groot is best known for his doctoral dissertation The Ottoman Empire and the Dutch Republic (Leiden 1978, rev. ed. 2012) and numerous articles on Dutch-Ottoman diplomatic relations