This list has been compiled by aggregating the movies in three different lists: The Deuce Top 20 (2007-08), The Deuce Top 20 (2008-09) and Quentin Tarantino's Top 20 Grindhouse Classics. The movies in this list all belong to classic international exploitatation/cult cinema movies.
Sources:
http://www.grindhousedatabase.com/index.php/The_Deuce_Top_20_(2007-08)
http://www.grindhousedatabase.com/index.php/The_Deuce_Top_20_(2008-09)
http://www.grindhousedatabase.com/index.php/Quentin_Tarantino%27s_Top_20_Grindhouse_Classics