What is probably Elwyn Robinson's most enduring legacy is his six themes of North Dakota history. He used them as his theory to explain how and why North Dakota was settled and developed the way it did. To an extent, he also used them to prophesize North Dakota's future.
"Elwyn Robinson and Settlement Patterns in North and South Dakota,"
Great Plains Sociologist: Vol. 6:
1, Article 4.
Available at: https://openprairie.sdstate.edu/greatplainssociologist/vol6/iss1/4