Bradley-Hole, Kathryn. Stone, rock & gravel : Natural Features for Modern Gardens/ Stone, rock, and gravel Kathryn Bradley-Hole. - London : New York, NY : Cassell ; Distributed in the U.S. by Sterling Pub. Co., 2000. - 160 p. : col. ill. ; 28 cm. ISBN: 0304354287 184188118-x 9781841881188 LCCN: 00697850 Subjects--Topical Terms: Stone in landscape gardening.Rock gardens. LC Class. No.: SB475.5 / .B735 2000 Dewey Class. No.: 717