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Gormsen, Svend Theodore 1909- Maps of Certain Algebraic Curves Invariant Under Cyclic Involutions of Periods Three, Five, and Seven ..
 Gormsen, Svend Theodore 1909- Maps of Certain Algebraic Curves Invariant Under Cyclic Involutions of Periods Three, Five, and Seven ..
Roosevelt, Theodore An Autobiography: The autobiography of Theodore Roosevelt who served as the 26th President of the United States from 1901 to 1909
 Roosevelt, Theodore An Autobiography: The autobiography of Theodore Roosevelt who served as the 26th President of the United States from 1901 to 1909
Gormsen, Svend Theodore 1909-