An extensive collection of books, manuscripts and maps relating to travel and exploration contains many valuable items that shed light on changing views of the world since the 17th century. Mercator's Atlas Minor (1628) features 143 engraved maps and the original vellum binding. Herman Moll's Atlas Minor (1736) includes 62 maps "in which are shewn all the empires, kingdoms, countries, states, in all the known parts of the earth."