Sars, G.O., 1899
An account of the crustacea of Norway - Isopoda
... with short descriptions and figures of all the species.
An old monograph, but still useful for the large number of very detailed drawings.
Includes terrestrial, freshwater, marine and parasitic species of Isopods and Tanaids.
Available for download on the BHL website (Note: there are two copies of most of the volumes)
||All the Norwegian species known at the time.
||Under a Stereo Microscope.