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

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 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.

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.

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.