1. On generalized free products;Baumslag;Math. Z.,1962
2. Groups with the same lower central series as a relatively-free group, I;Baumslag;Trans. Am. Math. Soc.,1967
3. Groups with the same lower central series as a relatively-free group, II;Baumslag;Trans. Am. Math. Soc.,1969
4. Realizing homology boundary links with arbitrary patterns;Bellis,1995
5. Homological localization towers for groups and π-modules;Bousfield,1977