Extended nearest shrunken centroid classification: A new method for open-set authorship attribution of texts of varying sizes. - G. Bruce Schaalje; Paul J. Fields; Matthew Roper; Gregory L. Snow (Lit. Linguistic Comput., 2011)

Choosing Words for Stylometric Authorship Attribution. - Paul J. Fields; Larry Bassist; Matthew Roper (DH, 2016)

Characters in 19th Century Novels Display Distinctive Voices as Seen by Stylometric Analysis. - Paul J. Fields; Larry Bassist; Matthew Roper (DH, 2017)