Correspondence, manuscripts, journals, documents, subject files, photographs, memorabilia, and printed matter. The collection includes Pillionnel's routine correspondence, manuscripts in French and English of his poems, plays and prose works, many of which are unpublished, and his "Journal Intime" which covers the period 1932-1972. Included is an oil portrait of Pillionnel by his friend Peter Hayward. One document folder contains Pillionnel family records (birth certificates, baptismal records, passports) from the late eighteenth and nineteenth centuries