Andrew Jenson article on Joseph's plural marriage; identifies 27 women as plural wives.
Andrew Jenson, "Plural Marriage," Historical Record 6, no. 3-5 (May 1887): 219–234
[Jenson republishes source material pertaining to Joseph Smith's practice of plural marriage and publishes short biographies of the women known at the time to have been sealed to him. Jenson lists 27 women as plural wives.]