Haku
Viitteet 1-3 / 3
Central Spitsbergen from sketch surveys made in 1896 and 1897
([London] : Royal Geographical SocietyRoyal Geographical Society, 1898)
Sketch map of part of Spitzbergen
([London] : Royal Geographical SocietyRoyal Geographical Society, 1897)
Sketch map of part of Spitzbergen
([London] : Royal Geographical SocietyRoyal Geographical Society, 1897)