Charlton automatisch geweer / [tekst: Michael Heidler ; foto's: National Firearms Centre en National Archives of Australia] Mysterieus Browning experiment / [tekst: Bas Martens ; foto's: National Archives] Reising pistoolmitrailleurs / [tekst: Bas Martens ; foto's: U.S. Patent Office, U.S. National Achives, Rock Island Auction, Long Mountain Outfitters, publiek romein - (sic)]
