# Other standard library reference works that cover Vietnam also remove the diacritics: ''Britannica'', ''Encyclopedia of the Vietnam War'' (2011), ''Encyclopedia of Modern Asia'' (2002), ''National Geographic Atlas of the World'', and ''Lonely Planet Vietnam''. | # Other standard library reference works that cover Vietnam also remove the diacritics: ''Britannica'', ''Encyclopedia of the Vietnam War'' (2011), ''Encyclopedia of Modern Asia'' (2002), ''National Geographic Atlas of the World'', and ''Lonely Planet Vietnam''. |