The fonds consists of an original copy of Wallich's The North Atlantic Seabed with handwritten notes, a large, handwritten biological note book, personal annotated copies of Wallich's "Original Papers" and "Contributed Papers"(1857-1865), incoming correspondence and clippings. Also included are some records belonging to G. Wallich which relate to the Dooars Planters' Association, an organization of tea growers in India.