A 1903 article by R. Shelford, Curator of the Sarawak Museum, cataloguing two medicine-baskets (lupong) that belonged to Sea-Dyak witch-doctors (manang), one from the Saribas River and one from the Undup River. It describes the construction of the baskets, including wooden bodies covered with plaited rattan, and lists each charm and simple inside with its Dyak name, material and supposed use. It also discusses Sea-Dyak beliefs about the soul (samengat). Plate XVI shows photographs of the baskets and their contents.