Todi Jónsson | Ulrika Jonsson | Thomas Denver Jonsson | J. Erik Jonsson Central Library | J. Erik Jonsson | Bjarni Jónsson | Runer Jonsson | Lars Jonsson (bird artist) | Lars Jonsson | Kristinn Jónsson | Karl Jónsson | Jan-Åke Jonsson | Helgi Þór Arason | Helgi Tómasson (dancer) | Helgi Tómasson | Helgi Tomasson | Helgi Hjörvar | Helgi Haddingjaskati | Helgi Daníelsson | Fredrik Jönsson | Björn Jónsson | Ásgrímur Jónsson |
The published work was based on investigations made chiefly between 1895 and 1900 by F. Børgesen, C. Jensen, C.H. Ostenfeld, J. Hartz, H. Jónsson and Eug. Warming.