 She was an advocate of Esperanto, the universal language that had been developed in 1897; in 1910, at the age of eight, the daughter produced a translation of Mother Goose in Esperanto.In 1916, the Bobbs-Merrill Company in Indianapolis published the elder Stoner's "Manual of Natural Education".By the mid-1920s, the Stoners had relocated to New York City, where, according to The New York Times, they lived at 418 Central Park West, in a building named "The Braender", after the builder, German-born Philip Braender.