SPU's EBSCOhost databases can be searched all together simultaneously. Thus, though nothing comes up on Marie Monsen in the Atla Religion Database, a Choose Databases search of all of the SPU EBSCOhost databases simultanously with "Monsen, Marie" in the Subject field returns, from the SPU database Academic Search Complete, the following, in full-text: Mikaelsson, Lisbeth. “Marie Monsen: Charismatic Revivalist--Feminist Fighter.” Scandinavian Journal of History 28, no. 2 (June 2003): 121-134.
NOTE: University of Washington databases you must be on the University of Washington campus (and UW wireless) to use.