Norman Steenrod

Homology Groups of Symmetric Groups and Reduced Power Operations.

N. Steenrod, Norman Steenrod, 1953, Proceedings of the National Academy of Sciences of the United States of America.

Axiomatic Approach to Homology Theory.

N. Steenrod, S. Eilenberg, S Eilenberg, 1945, Proceedings of the National Academy of Sciences of the United States of America.

Vector Fields on the n-Sphere.

N. Steenrod, J. Whitehead, Norman Steenrod, 1951, Proceedings of the National Academy of Sciences of the United States of America.

On Universal Homology Groups.

Norman Steenrod, 1935, Proceedings of the National Academy of Sciences of the United States of America.