Anti-isomorphisms of the ring and lattice of a normed linear space Wolfson, Kenneth G. — 1955 Portugaliae mathematica
Baer subrings of the ring of linear transformations. Kenneth G. Wolfson — 1961 Mathematische Zeitschrift
Anti-Isomorphisms of Endomorphism Rings of Locally Free Modules. Kenneth G. Wolfson — 1989 Mathematische Zeitschrift