References
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- Sources
- Biography of Robert Alexander Long from A Standard History of Kansas and Kansans, written and compiled by William E. Connelley, Secretary of the Kansas State Historical Society, Topeka. Chicago: Lewis Publishing Company, copyright 1918
- Robert A. Long (PDF), speech by J.C. Nichols, April 30, 1925.
- History of Longview, Washington
- Liberty Memorial web site
- Kansascity.com
- "Ours to Give: The Long Legacy of an American Family", Video Documentary
- R. A. Long Historical Society
- Long history
- Citations
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