In Utrecht University Library there is a Dagwyser, or almanac, for the year 1783, which formerly belonged to Joan Gideon Loten (1710–1789), a Dutchman, who had been Governor of Makassar [Sulawesi, Indonesia] (1744–1749) and Ceylon [Sri Lanka] (1752–1757) and who spent most of his career with the Dutch East Indies Company. The Dagwyser is a booklet covered by green parchment, a so-called ‘envelope book’. The entries in the almanac were written in his house in Drift 27, Utrecht, today the location of the university library. The notebook contains short entries nearly every day, mostly in English and Dutch. It contains notations about the people he met in town, who he visited, or who visited him and his wife. A keen ornithologist, he also recorded bird sightings, and noted thoughts and questions to himself.