Here are a few valuable resources on Ruth Suckow
Iowa Literary History, 1971-1991
From Books at Iowa (April 1992)
Copyright: The University of Iowa
Here is an essay by Clarence Andrews
Kissane, Leedice McAnelly. Ruth Suckow. Twayne’s United States Authors Series. Twayne Publishers: New York. 1969.
This is a biography that takes a critical look at Suckow's work.