Knife Sharpener Item Number: 60/7011 from the American Museum of Natural History
NORDIC EXPLORERS (HEUREKA, THE FINNISH SCIENCE CENTER, FIN-0130 VANTAA, 1995)
THE STEFANSSON-ANDERSTON ARCTIC EXPEDITION OF THE AMERICAN MUSEUM: PRELIMINARY ETHNOLOGICAL REPORT. STEFANSSON, VILHJALMUR ANTHROPOLOGICAL PAPERS, 14, 1914