About 600 books and 66 serials mainly relating to entomology and the natural sciences. The strength is works on British entomology but also includes Europe, North and South America. About one-third were published in the 18th and 19th centuries.

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.

Papers, photographs, ephemera, books and journals from Europe, Asia, America and Australia ranging from 1850-1950 collected by Eric Keast Burke.

About 200 American books and a smaller number on the French Revolution and Napoleon, plus 15 letters by eighteenth and nineteenth-century scientists and physicians.