He also published a Catalogue of the Museum Carlsonianum (1786–89), in which he described many of the specimens he had collected in South Africa and the South Pacific, some of which were new to science.
Han publicerade också Catalogue of the Museum Carlsonianum (1786-89), där han bland annat beskrev många av de arter han hade samlat in i Sydafrika och Stillahavsområdet, varav en del var nya för vetenskapen.