Handwritten manuscript titled 'The Original Notes' on the Archaic Manipuri language, there is an Index for the ease of reference. Annotations are made on some pages in modern and archaic Manipuri, accompanied with a letter from Roland B Dixon (1875-1934) and a catalogue 'Rules and Regulations of The Asiatic Society of Bengal' printed by The Baptist Mission Press at Calcutta 1929.

Typed manuscript titled 'A Study made of 133 words in 29 different dialects to compare to the Archaic and Modern Manipuri', there is handwritten annotations on the front page: 'by Rev W Pettigrew of Manipur State Assam India' and 'Preparatory to a paper proposed to write on the Archaic Manipuri language'. The manuscript has been formatted in to a table which has the modern Manipuri dialect on the left and the archaic dialect on the right.

Personal papers of William Pettigrew connected with the Manipuri language and other local dialects.

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.

Collection of manuscripts on the language Manipuri by William Pettigrew, Yumjao Singh and Mrs Ethel A Pettigrew. A letter from Roland B Dixon (1875-1934) an American cultural anthropologist, the letter mentions work of William Pettigrew and a copy of Rules and Regulations of The Asiatic Society of Bengal.

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.

Typed manuscript of a rough draft for a proposed monograph, can be in relation to WP 1/3. It is the arrangement of the material researched on Archaic Manipuri divided into chapters with a bibliography for reference.

Typed manuscript presenting original notes on Archaic Manipuri, with an introduction to the history of the Archaic Manipuri literature, translations in Old Meithei and Meithei dialect.

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.