Handwritten manuscript titled 'The Original Notes' on archaic Manipuri, taken by William Pettigrew chiefly at Harvard Library and the British Museum. Annotations are made on some pages in modern and archaic Manipuri.

Stored with the manuscript are two items:

• Letter from Roland B. Dixon (1875-1934), Harvard University, giving updates on the progress of William Pettigrew's research on archaic Manipuri inscriptions, dated 8 June 1929
• 'Rules and Regulations of The Asiatic Society of Bengal', printed by The Baptist Mission Press at Calcutta 1929, signed on the cover 'WP 27/3/39' [Pettigrew was elected Associate Member of the society in 1939]

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.

Examination papers taken by William Pettigrew to test proficiency in Manipuri language and Hindustani tribal culture and accompanied by a note from the examiner congratulating William Pettigrew for passing the exam.

Examination papers handwritten by William Pettigrew answering questions in regards to proficiency in Manipuri language with annotations from the examiner, marks received 82 out of 100, total of 19 pages and a letter addressed to William Pettigrew congratulating him on passing the exam.

A green pattern cover notebook handwritten possibly in Sanskrit, the title on the first page reads 'Langlol and Notes on same'. It has annotations in English and the content is possibly related to a dialect from Manipur, India.