Across the space frontier / by Joseph Kaplan ... [et al.] ; ed. by Chesley Bonestell ; ill. by Chesley Bonestell, Fred Freeman, Rolf Klep Verdun to the Vosges : impressions of the war on the fortress frontier of France / G. Campbell Balkans : frontier of two worlds / by William B. King and Frank O'Brien the case of goa frontier violations of August 15, 1955 : subsequent attacks on Portuguese consulates in the Indian region / Statements by the Ministry for Foreign Affairs and … Frontier warfare and bush fighting Proeve van beschouwingen over de verdediging van een belangrijk deel van Nederlands grondgebied : Het oostelijk frontier / L. Frankamp Science, the endless frontier : a report to the president (on a program for postwar scientific research) / by Vannevar Bush true facts about the disputed frontiers of Europe / by M. Vibart Dixon Alaska : the last frontier / H.W. Clark Rapport de la Commission de Démarcation de la Frontière Germano-Néerlandaise = Report by the Demarcation Commission of the Netherlands-German Frontier Passing it on : short talks on tribal fighting on the North-West frontier of India / Andrew Skeen ; wih a forew. by Philip W. … Campaigns on the North-West frontier / by Captain H.L. Nevill
