The Longman Companion to Victorian Fiction (Second Edition)

There are short descriptions of a number of authors, including Annie S. Swan on page 622, where it is stated that

Although she is principally remembered for the 200-odd slushy woman's romances she wrote in the twentieth century, Swan's early fiction is regional and (some of it) socially realistic. [...] By 1898, Swan had thirty-six tales published in book form and in her later fiction she surrendered entirely to the romance appetites of her huge (largely female) readership.