Merrick, H. H. Lands and peoples. The world in color. Volume 3: Eastern Europe, Soviet Union, Middle East. New York: Grolier.

Merrick, Helen Hynson. Lands and Peoples. The World in Color. Volume 3: Eastern Europe, Soviet Union, Middle East. New York: Grolier.

Merrick, Helen Hynson. Lands and Peoples. The World in Color. Volume 3: Eastern Europe, Soviet Union, Middle East. New York: Grolier.