1. Quasigroups I;Albert;Trans. Amer. Math. Soc.,1943
2. Quasigroups II;Albert;Trans. Amer. Math. Soc.,1944
3. Two-Element Generation of the Projective IJnimodular Group;Albert;Illinois J. Math.,1959
4. Lattice Theory;Birkhoff,1973
5. A Survey of Binary Systems;Bruck,1971