The T.F.H. book of lovebirds /
Radtke, Georg A.
Hong Kong ; Neptune, N.J. : T.F.H.,
c1981.
Originally published in German under the title Unzertrennliche (Agaporniden) Haltung, Zucht und Farbspielarten.
"A considerable amount of additional new material has been added to the literal German-English translation, including but not limited to additional photographs."
Includes index.
Lovebirds.