The Library holds maps, photographs, notes and letters from many key figures in the field of natural science.
The Library holds a collection of topographical and geological maps with worldwide coverage. These range from the nineteenth century (including a number of William Smith maps) to the twenty-first century.
The manuscript collection contains a wealth of unique material, including notes and letters from:
Photographic material includes a collection of images from the Challenger Expedition (1872-1876).