A vast and varied collection of records documenting the experiences of Finnish immigrants to Northwestern Ontario. Includes correspondence, manuscripts, photographs, interviews, published material, and ephemera. The photograph collection is extensive and covers a wide range of subjects.

The records are arranged into the following series:
A - Bay Street Project
B - Finnpraxis Project
C - Collections
D - Photographs
E - Miscellaneous
F - Finnish Experience

Photographs are divided into seven subseries:
A - Architecture
B - Arts (Theatre, music, dance, arts, crafts)
C - Business & industry
D - Churches
E - Communities in Northwestern Ontario
F - People, families, & genealogy
G - Organizations

The fonds consists of notes, correspondence, bird observation data, and the natural history journals of Dr. Allen. The fonds contains the following series:
-Dr. A.E. Allen Bird Observations
-Natural History Notes of A.E. Allen
-Dr. A.E. Allen Ephemera

The collection consists of architectural plans and drawings for construction projects (primarily grain elevators) in Ontario and Manitoba.