This collection documents aspects of the life of Isabella Hagen, a musician, music teacher, and theatrical performer from Calumet, Michigan. The majority of these documents were collected by Mrs. Hagen herself while others appear be gifts. The document types consist of newspaper clippings regarding local musical or theater productions, Michigan Technological University publications, personal photographs, postcards, and bulletins from a variety of local events. There is also a selection of biographic newspaper clippings and publications.