Papers, 1889-1963, of Prof. Roderick Urwick Sayce, including notes by him on anthropology, archaeology, geology and geography, together with drafts and offprints of publications written and collected by him, his personal papers and correspondence, and a considerable amount of material collected by Professor A. C. Haddon, Professor of Zoology at the Royal College of Sciences and Assistant Naturalist to the Science and Art Museum of Dublin, relating to Irish folklore, including correspondence between Sayce and Haddon.