Around 270 books, pamphlets and serials, mostly published in the Philippines 1900-1965 but also some items from the USA, Spain and Spanish-speaking countries.

The Vryonis Collection is a comprehensive archive of around 1,600 books and periodicals on Byzantine history, art, literature, and the Greek Orthodox Church, along with its interactions with Islamic and Slavic cultures. Spanning languages such as English, Greek, Turkish, and more.

About 140 oral history interviews, the majority for his Maltese-Australian and Polish-Australian folklore and social history projects. Personal papers of York plus papers of the historian Michael Cigler. Also a large quantity of Maltese newspapers, student newspapers, radical pamphlets and ephemera.

About 600 books and 66 serials, mainly relating to entomology and the natural sciences. Includes works on British entomology as well as Europe, North and South America. About one-third were published in the 18th and 19th centuries.

Over 530 pamphlets collected by Meyer (Max) Zwalf on socialism and related subjects published in Europe from 1875 to 1950.