Complex sentence: Krag (1991): 20-21 Around the time of World War I, saga literature was subjected to much criticism as a historical source, in Sweden by the brothers Lauritz and Curt Weibull, and in Norway by Halvdan Koht and Edvard Bull.
Split into simpler sentences: Krag (1991): 20-21 Around the time of World War I saga literature was subjected to much criticism as a historical source. In Sweden by the brothers Lauritz and Curt Weibull, and in Norway by Halvdan Koht and Edvard Bull.