His treatise Draft of a Physical, Geographical, and Historical Description of Icelandic Ice Mountains on the Basis of a Journey to the Most Prominent of Them in 1792–1794 was submitted to the Naturhistorieselskabet in Denmark in 1795, where it languished for almost a century.
In 1795, his work titled "Draft of a Physical, Geographical, and Historical Description of Icelandic Ice Mountains from a Journey to Their Most Prominent Peaks in 1792–1794" was submitted to the Naturhistorieselskabet in Denmark but did not gain attention for almost a century.