Robert Collett has written:
'Meddelelser om Norges fiske i Aarene 1884-1901'
'Lycodes Sarsii, n. sp' -- subject(s): Gadiformes
'Ornithologiske bemaerkninger til Norges fauna ..' --
subject(s): Birds, Ornithology
'Norges fiske'
'Bird life in arctic Norway' -- subject(s): Birds
'Oversigt af Christiania omegns ornithologiske fauna' --
subject(s): Birds, Ornithology