Kroon en de kabinetsformatie / door G.J. Lammers popular history of the great war / ed. by Sir J.A. Hammerton ; complete in 6 vol. with 1000 maps and illustrations popular history of the great war : Armistice and after / J.A. Hammerton dutch profile Hawker Sea Hawk : Marine Luchtvaartdienst = Royal Neth. Naval Air Service / Gerke A Hofstra, Luuk Boerman vroegere militaire school te Haarlem / M.D. Lammerts