Other texts
Night of the Living Dead (1968) George A. Romero
This grainy black-and-white chiller about flesh-eating zombies became a cult hit and its lean, graphic; no nonsense approach to horror influenced many future practitioners of the genre.

Dawn of the Dead (1979) George A. Romero
A sequel to Night of the Living Dead, mixed horror, satire and even social commentary as zombies attack four people trapped in a shopping mall
http://www.georgearomero.com/main.php

Land of the Dead (2005) George A. Romero
The living dead have taken over the world, and the last humans live in a walled city to protect themselves as they come to grips with the situation
http://www.imdb.com/title/tt0418819/

28 Days Later (2002) Danny Boyle
Four weeks after a mysterious, incurable virus spreads throughout the UK, a handful of survivors try to find sanctuary
http://www.imdb.com/title/tt0289043/