1. Theories of the production of males and females Author(s): Hubbard, Silas. Publication: [Buffalo? : s.n., 1855?] Subject(s): ReproductionSex Distribution
2. Chart of phrenology, and the phrenological developments of -- as given by --: with references to some of the discoveries and improvements in the science Author(s): Hubbard, Silas. Publication: Buffalo : G. Reese & Co., 1852 Subject(s): Phrenology
