1. The mother and her offspring Author(s): Tracy, Stephen. Publication: New York : Harper & Bros., 1853 Subject(s): PregnancyInfant CareReproductive Physiological Phenomena
2. The mother and her offspring Author(s): Tracy, Stephen. Publication: New York : Harper & Bros., 1860 Subject(s): PregnancyInfant CareReproductive Physiological Phenomena