Clark, Ronald William. The Huxleys / [by] Ronald W. Clark. - London : Heinemann, 1968. Bibliography: p. 367-373. ISBN: 0434135801 63/- LCCN: 68101150 Nat. Bib. No.: B68-09029 Subjects--Personal Names: Huxley family. LC Class. No.: CS439.H85 / 1968 Dewey Class. No.: 929.2/0942