1. Hadamard matrices of order 16;Hall;J.P.L. Research Summary 36-10,1961
2. Hadamard matrices of order 20;Hall;J.P.L. Technical Report 32–761,1965
3. Combinatorial Theory;Hall,1967
4. Classification of 3-(24, 12, 5) designs and 24-dimensional Hadamard matrices;Ito;J. Combin. Theory Ser. A,1979
5. Hadamard matrices of order 28 with automorphism groups of order two;Kimura;J. Combin. Theory Ser. A,1986