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Also published in three separate parts.
Translation and adaptation of 'Kreuzworträtsel der Geschichte' / by Werner Illing. Esslingen : J.F. Schreiber, 1973.
Contents: Searchlight of archaeology. Translation and adaptation of: 'Kreuzworträtsel der Geschichte' / by Werner Illing. Esslingen : J.F. Schreiber, 1973 - Journeys into the unknown. Translation and adaptation of: 'Entdeckungsreisen ins Ungewisse' / by Werner Illing. Esslingen : J.F. Schreiber, 1973 - The struggle for the North and South Poles. Translation and adaptation of: 'Der Kampf um Nordpol und Sudpol' / by Werner Illing. Esslingen : J.F. Schreiber, 1973.
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Great discoveries by Alan C. Jenkins. ISBN 0216898552. Published by Blackie in 1975. Publication and catalogue information, links to buy online and reader comments.