Title: Casparis Barlaei Med. Doct. ac philosophiae in ill. Amstel. Gymnasio dum viveret professoris Epistolarum liber
Description: A collection of more than five hundred letters, written between 1639 and 1647. Two letters in part 2, no. 402, p.  784-785 (dated 1639), and no. X, p. 1020-1025 (dated 1647), are addressed to Johan Maurits van Nassau-Siegen, who was the Dutch governor of Brazil from 1636 to 1644.
Subjects: Politics and government, Medieval and modern Latin letters, Correspondance, History
Places: Brazil, Netherlands
People: Caspar van Baerle (1584-1648)
Time periods: Dutch Conquest, 1624-1654, 1556-1648, Eighty Years' War, 1568-1648