Gaskin, Catherine. A falcon for a queen. - [1st ed.] - Garden City, N.Y., Doubleday, 1972. - 344 p. 22 cm. ISBN: 0 LCCN: 77175373 LC Class. No.: PZ3.G2125 PR6057.A75 / Fal3 Dewey Class. No.: 813.54 GAS 1972