In 1841, she moved to New York City. She edited an anti-slavery weekly for two years, then collected and published her columns written for a Boston newspaper. Her husband was working as a journalist in Washington, D.C. during these years, but the couple reunited and moved to Wayland, Massachusetts in 1850. In the following years, she wrote books about female sex workers, the evolution of religion, African Americans, and Native Americans. Her last book, "Aspirations of the World" appeared in 1878.