Summerhays' Encyclopaedia for horsemen /
compiled by R. S. Summerhays.
- 6th ed. rev. / revised by Stella A. Walker.
- London : F. Warne, c1975.
- xvi, 419 p., [16] leaves of plates : ill. ; 22 cm.
First-4th editions published under title: Encyclopaedia for horsemen.