Citadels of mystery
By: Formerly titled: Ancient ruins and archaeology [by] L. Sprague de Camp and Catherine C. de Camp.
Contributors: De Camp, Catherine Crook.
Publisher: Ballantine Books
Published: 1964
Place of publication: New York
Language: eng
Number of pages: 292
Subjects: Extinct cities
Other titles: Ancient ruins and archaeology.
Notes: Includes index.

Bibliography: p. [271]-282.