De Geer, E.H. (1928) ‘Late Glacial Clay Varves in Iceland, . . . dated and connected with the Swedish Time-Scale’, reprint from Geografiska Annaler
De Geer, E.H. (1928) ‘Late Glacial Clay Varves in Iceland, measured by H.Wadell, dated and connected with the Swedish Time-Scale’, reprint from Geografiska Annaler, v10, pp.205-214, + foldout colour printed correltation chart, and ‘Sketch Map of South West Iceland’ at 1:1,000,000. Brown card printed cover with library stamps and annotations. Text clean, age-toned. In good to very good condition.