Manuscripts collected by William Marsden, including letters and other material, 1627-1668, relating to Portuguese Catholic missionaries in India, some from Ajmir and Agra, and Tibet; texts, grammars and vocabularies, [17th-18th centuries], including Welsh; Icelandic; Kannada; Tamil fragments, some on palmyra leaves; Javanese text; Tagalog fragments; manuscript letter from C T de Murr to William Marsden, 24 Feb 1797, regarding the Bibliotheca glottica universalis, with accompanying typescript transcription; Ionian (Greek) newspaper concerning King George III, 1805.

Several items were transferred to the Foyle Special Collections Library at King’s College London in 2018: martyrology of Portuguese missionaries in India and other parts of Asia, [17th century]; manuscript entitled 'Principio do dereito q. tem el Rey de Portugal da Ilha de Goa...1595', bound with 'Livro tresladado dos contos de Goa de todos os ordenados q. Sua Magestade da na India...', both 1658, also with cipher used presumably by the Jesuits, 'Cifra da Compa. q. devem ter todos os superiores...'; 'Bocabulario Tagalo', [c1580]; 'Vocabulario de la lengua Iloca'.