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Holgersen, Holger (1914)

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Dverghornugle, Otus s. scops (L.) ny for Norges fauna
1955
Holgersen Holger
1020
0
First record of the Boarfish, Capros aper, in Norway
1954
Holgersen Holger
1511
0
The ants of Norway. (Hymenoptera, formicidae)
1944
Holgersen Holger
1974
0
Ornithology of the "Brategg" expedition
1957
Holgersen Holger
2035
0
On a collection of birds from Jan Mayen
1953
Holgersen Holger
2656
0
The Norwegian species of Euscelis and related Genera (Homoptera cicadina)
1949
Holgersen Holger
937
0
Bird-banding in Norway
1951
Holgersen Holger
940
0
On a collection of birds from N'Zérékoré, French Guinea
1956
Holgersen Holger
750
0
On a hydrid duck : Anas crecca x Anas platyrhyncha
1956
Holgersen Holger
1895
0
First breeding of the Black-tailed Godwit Limosa limosa (L.) in Norway
1956
Holgersen Holger, Willgohs Johan F.
2574
0
Norske sikader (Homoptera cicadina)
1944
Holgersen Holger
528
0
Ornithological observations from Corsica in June 1954
1955
Frugis Sergio, Holgersen Holger
1356
0
Ornithological observations from Utsira ...
1952
Holgersen Holger
2975
0
Bird notes and news 1950
1951
Holgersen Holger
1874
0