You might find it useful to read articles before indulging your urge to sarcasm: one of the novels discussed is by Joanna Russ (female). Another is by Samuel Delaney (African-American).

Oh, the name of the two-volume series is "American Science Fiction: Eight Classic Novels of the 1960s". Maybe the specifics of criteria -- "America," "1960s" -- influenced the choices?

Well, consider the source.