geisterseher:Ludvig Holberg, Nicolai Klimii Iter svbterranevm : novam telluris theoriam ac hist
geisterseher:Ludvig Holberg, Nicolai Klimii Iter svbterranevm : novam telluris theoriam ac historiam quintae monarchiae adhuc nobis incognitae exhibens / e bibliotheca B. Abelini (1754) -- source link