Olaf Holtedahl
![Olaf Holtedahl](https://upload.wikimedia.org/wikipedia/commons/a/aa/OlafHoltedahl.jpg)
1
Published: 1924
Superior document: Report of the scientific results of the norwegian expedition to Novaya Zemlya 1921 Vol. 1
2
Published: 1930
Superior document: Report of the scientific results of the norwegian expedition to Novaya Zemlya 1921 3
3
Published: 1928
Superior document: Report of the scientific results of the norwegian expedition to Novaya Zemlya 1921 2