Citadels of mystery
By: L. Sprague De Camp and Catherine C. De Camp.
Contributors: De Camp, Catherine Crook.
Publisher: Fontana/Colins
Published: 1972
Place of publication: London
Language: eng
Number of pages: 292
Subjects: Archaeology.; Antiquities.
Work titles: Ancient ruins and archaeology
Notes: "Unsolved puzzles of archaeology: Atlantis, Stonehenge, Tintagel and more"-- Cover.

Originally published as 'Ancient ruins and archaeology'. Garden City (N.Y.): Doubleday, 1964 London: Souvenir Press, 1965.

Bibl.p.271-282. - Index.