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michiganology.org
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web.archive.org
Michigan Department of Transportation (April 23, 2006). National Highway System, Michigan(PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Archived from the original(PDF) on October 4, 2012. Retrieved October 7, 2008.
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Auto Club of Michigan (September 1976). Detroit Northern Suburbs and Oakland County (Map) (Fall 1976–77 ed.). c. 1:44,352. Falls Church, Virginia: American Automobile Association. § P12. OCLC49819797.
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"Building the South Beltline". The Grand Rapids Press. November 16, 2004. p. A2. OCLC9975013.
Barnes, John (May 28, 1982). "South Belt Freeway Plans Denounced at Hearing". The Grand Rapids Press. p. 1C. OCLC9975013.
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Roelofs, Ted (January 18, 1981). "South Belt's Future is Tied to Study". The Grand Rapids Press. pp. 1F, 2F. OCLC9975013.
"Planners Route Corridor for South Belt Freeway". The East Press. Grand Rapids, Michigan: Booth Newspapers. April 20, 1982. pp. 1, 12. OCLC9975013.
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Barnes, John (September 28, 1982). "New Consultant To Be Hired on South Belt Freeway Plan". The East Press. Grand Rapids, Michigan: Booth Newspapers. p. 6. OCLC9975013.
Barnes, John (October 26, 1982). "Results of South Belt Survey Are Viewed with Question". The East Press. Grand Rapids, Michigan: Booth Newspapers. p. 30. OCLC9975013.
Barnes, John (October 26, 1982). "South Belt is Attacked by Citizens Group in Area". The East Press. Grand Rapids, Michigan: Booth Newspapers. p. 31. OCLC9975013.
"South Belt Friends, Foes Satisfied with Hearings". The Grand Rapids Press. April 21, 1983. p. 4C. OCLC9975013.
Cox, Michael (February 20, 1985). "Residents Assail Study on Proposed South Belt Roadway". The Grand Rapids Press. pp. B1, B2. OCLC9975013.
Ackerman-Heywood, Jennifer (July 22, 2001). "Homes Make Their Exit: The State is Wrapping up Property Acquisitions as South Beltline Becomes a More Visible Part of West Michigan Landscape". The Grand Rapids Press. p. A1. OCLC9975013.
Harger, Jim (September 18, 2001). "Early Finish of South Beltline's 1st Leg Praised". The Grand Rapids Press. p. A15. OCLC9975013.
King, Kyla (March 22, 2002). "Moving Right Along: Roads Will Close April 1 as South Beltline Work Resumes in Earnest". The Grand Rapids Press. p. D1. OCLC9975013.
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White, Ed (October 26, 2004). "Aw Nuts! Shortage of Bolts Slows South Belt Work". The Grand Rapids Press. p. A1. OCLC9975013.
Deiters, Barton (September 24, 2004). "'Southbelt Shuffle' Celebrates Freeway, Promotes M-6 Trail". The Grand Rapids Press. p. C1. OCLC9975013.
Harrold, Richard (November 15, 2004). "Wait Nearly over for South Beltline: Highway Provides Shortcut to Southern, Eastern Kent County". Holland Sentinel. ISSN1050-4044. OCLC49995441.
Reister, Cami (November 4, 2004). "M-6 Home Stretch: South Beltline to Open Ahead of Schedule". The Grand Rapids Press. p. A1. OCLC9975013.
Reister, Cami (November 14, 2004). "Get Ready to Cut Across New Ribbon of Highway". The Grand Rapids Press. p. A1. OCLC9975013.
King, Kyla (June 6, 2005). "South Belt on the Map, not Online: Highway Finally Makes State Map, but Web Sites Still Don't Include It". The Grand Rapids Press. p. A1. OCLC9975013.
King, Kyla (November 16, 2005). "Life Rearranges in Highway's Wake: Freeway Brings Development, Shifting Traffic Patterns to Southern Kent County". The Grand Rapids Press. p. A1. OCLC9975013.
Wilson, Rick (April 21, 2006). "South Beltline Quickly Becomes Road to Growth: Residential, Commercial Property Values Jump along M-6". The Grand Rapids Press. p. A1. OCLC9975013.
Shellenbarger, Pat (September 9, 2007). "Hospital Brings Area to Life: Metro Health, Surrounding Developments Spread Wealth in Wyoming". The Grand Rapids Press. p. A1. OCLC9975013.
Kent County Road Commission & REGIS Agency (2008). Official Road Map (Map). 1:95,040. Grand Rapids, Michigan: Kent County Road Commission. T5N R11W S1. OCLC277273068.
MacDougall, Curt (November 20, 2004). "Road to Ruin Open for Business". The Grand Rapids Press (Editorial). p. A13. OCLC9975013.
King, Kyla & Wilson, Rick (December 6, 2006). "Bike Trail Planned near South Beltline on Track". The Grand Rapids Press. p. B1. OCLC9975013.
Persons, Nicole (May 23, 2009). "Resurfacing Begins on M-6". The Grand Rapids Press. p. A3. OCLC9975013.
worldcat.org
Michigan Department of Transportation (2010). Uniquely Michigan: Official Department of Transportation Map (Map). c. 1:221,760. Lansing: Michigan Department of Transportation. Grand Rapids inset. OCLC42778335, 639960603.