There are three letters from David Lorimer to Sidney Duly and one letter from Emily Lorimer to Sidney Duly. There is a further letter from Duly to Richard Pankhurst, RAS Librarian, to donate the material to the Society

This series consists of correspondence between the Lorimers and Sidney Duly, manuscripts concerning the Gilgit Expedition; and some printed articles by the Lorimers. There is also a letter from Duly to Richard Pankhurst, RAS LIbrarian, to donate the material to the Royal Asiatic Society.

The material consists of two folders. The first contains correspondence, manuscripts and printed material connected to the Lorimers' expedition to the Gilgit-Baltistan region, Pakistan in 1934-1935. The second folder contains correspondence and notes provided by D.L.R. Lorimer in 1946, to aid Roland Carter, political agent in Gilgit and Carter's own notes.