This series focusses on the headmastership of Dr John Doncaster (1808-1846) and contains items created by the headmaster himself as well as items relating to the life at School in the early 19th century and Old Oakhamians, in particular James and Augustus Padley.

This file focusses on letters sent or received by William Spicer Wood, Headmaster, in the mid-19th century.

This series focusses on the headmastership of Rev William Spicer Wood (1846-1875) and contains items created by the headmaster himself as well as items relating to the life at School in the mid-19th century.

This series focusses on the headmastership of Rev Edward Vere Hodge (1879-1902) and contains items relating to the life at School in the late19th century, its staff and pupils. The series contains some of the earliest photographs of Oakham School's collection.

This series focusses on the headmastership of Walter Lee Sargant (1902-1929) and contains items relating to the life at School in the early 20th century, its staff and pupils.

This series focuses on Wharflands pupils and staff since its opening in 1920. Most of the series is made of house photographs, various photographs of Housemasters and administration documents.

Old Oakhamian Calendar, published in 1924. Cover with contents: Editorial; List of Addresses of Members of the Old Oakhamian Club - 1924; Meeting of Old Oakhamian Club; Old Oakhamian Luncheon; A Letter from the Headmaster; Cambridge Letter; Officers' Training Corps; A Weekend in Africa; Births, Deaths and Marriages; Old Oakhamian Matches; School Staff - September 1924. Nine double-pages A to I.

Old Oakhamian Calendar, published in 1927. Cover with contents: Frontispiece; Editorial; Names and Addresses of Members of the Old Oakhamian Club; Annual Dinners; Presentation to Mr J.C. Clark; The Headmaster's Letter; Cambridge Letter; Review of School Games, 1924-1927; Mr J.C. Clark's Trip to Canada; Births, Deaths and Marriages; Old Oakhamian Notes; Cricket and Football Matches; School Staff - September 1927. Thirteen double-pages A to M.

Old Oakhamian Calendar, published in 1930. Cover with contents: Frontispiece; Editorial; Names and Addresses of Members; Annual Dinners; Headmaster's Letter; Mr J. Story's Letter; Quinquennial Luncheon and Meeting; Resignation of Mr W.L. Sargant - An Appreciation; The Captain of the Ship; Presentation to Mr W.L. Sargant; Cambridge Letter; The Book of Oakham School and The Register; Births, Marriages and Deaths; Cricket, Football and Shooting Matches; The Golfing Society; Club Notices; School Staff. Eighteen double-pages A to R.

This series focuses on the history of the organs in the School Chapel, from the first one installed in 1930 to the current instruments built in 1993.