This fonds contains the personal papers of William Pettigrew, including research notes connected with the Manipuri language and other local dialects, examination papers, as well as correspondence primarily relating to a monograph on archaic Manipuri on which he collaborated with Yumjao Singh.

This series contains handwritten and typed notes on archaic Manipuri by William Pettigrew and a draft of a monograph on the same written by Pettigrew's collaborator Yumjao Singh.

Typed notes entitled 'Research Work on Archaic Manipuri of the Native State of Manipur, Assam', being a typewritten copy of WP/1/3 prepared by Mrs Pettigrew in 1935, with bibliography and appendices.

A green pattern cover book handwritten and titled 'Langlol and Notes on same' and a handwritten poem copied from King Lear, Act 2 Scene 4, William Shakespeare.

This series contains correspondence regarding Yumjao Singh's monograph and the donation of Pettigrew papers.