Witt, David O (pupil 1893-96): Descriptive list of trees, shrubs and climbers and economic herbs of the northern and Berar forest circles, Central Provinces. Presented by the author Dated as: Allahabad 1916
Colour map of New Delhi, enlarged from the "Delhi Guide" map, 1933 edition, drawn with additions by the Superintending Engineer, Central Public Works Department, New Delhi. Published with the permission of Brigadier H J Couchman, Surveyor General of India. Scale: 6 inches to a mile.