1891
Bibliografía (7 obras)
Danske fugle, sjældnere arter
1952
The breeding birds of Denmark, with special reference to changes during the last century
1946
Indo-Pacific Leptocephalids of the genus A̲ṉg̲u̲i̲ḻḻa̲
1942
The zoology of east Greenland
1939
Investigations on the copepod fauna in east Greenland waters
The Godthaab Expedition 1928
1934
Investigations on the food of the herring in Danish waters
1928