1. American Mathematical Society Colloquium Publications, Vol. 25;Birkhoff, Garrett,1948
2. Lattices with unique irreducible decompositions;Dilworth, R. P.;Ann. of Math. (2),1940
3. The arithmetical theory of Birkhoff lattices;Dilworth, R. P.;Duke Math. J.,1941
4. Ideals in Birkhoff lattices;Dilworth, R. P.;Trans. Amer. Math. Soc.,1941
5. Note on the Kurosch-Ore theorem;Dilworth, R. P.;Bull. Amer. Math. Soc.,1946