Holograph letters and one typewritten letter by Willie Doyle: as a schoolboy in Ratcliffe College, Leicestershire, England to his brother Bob and mother (30 May 1886 - 9 April 1887); as a Jesuit novice at St Stanislaus, Tullabeg, County Offaly to his mother and father, and sisters Mai and Lena (8 August 1891 - 9 July 1892); as a scholastic at Milltown Park, Dublin to his father and brother Bob (31 May - Christmas 1893) and to Brother Cahill on finishing his noviceship (8 June 1893) and at Clongowes Wood College, County Kildare to his mother and father, and brothers Bob and Charles (3 September 1894 - 23 August 1896).

Catalogue and drawings of plants by Willie Doyle, while a student at Ratcliffe College, Leicestershire, England.