Great Northern Railway Historical Society Blueprint Collection JSBP9215, Willmar, Minnesota, 1917. Great Northern Blueprint Number 8080-1, Toilet Building. Plumbing, Heating and Lighting. Authorization for Expenditure 52085. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Yard Building.

Great Northern Railway Historical Society Blueprint Collection JSBP9218, Willmar, Minnesota, 1918. Toilet Building. Floor Plan Showing Plumbing. Interstate Commerce Commission Account Number 35, Miscellaneous Structures. Other ICC account descriptions: ICC Account Number 21, Toilet Building.

Great Northern Railway Historical Society Blueprint Collection JSBP9273, Willmar, Minnesota, 1936. Great Northern Blueprint Number 9061-1, 40' X 150' Warehouse. Layout and Floor Plans, Elevations and Section. Authorization for Expenditure 52085. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Yard Building.

Great Northern Railway Historical Society Blueprint Collection JSBP9335, Willmar, Minnesota, 1951. Great Northern Blueprint Number 9412-1, 16' X 36' Steel Service Building for Carmen. Site and Floor Plan, Elevations and Details. Authorization for Expenditure 81102. Interstate Commerce Commission Account Number 17, Roadway Buildings. Other ICC account descriptions: ICC Account Number 17, Service Building.

Great Northern Railway Historical Society Blueprint Collection JSBP9348, Willmar, Minnesota, undated. Proposed 8' X 12' Hand Car House Location. Site Plan. Interstate Commerce Commission Account Number 17, Roadway Buildings. Other ICC account descriptions: ICC Account Number 17, Hand Car House.