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http://jboyd.net/Taxo/List13.html is a reasonable place to start as JB tends to be a little in advance of most others in taxonomic matters. As Nutcracker says, it'd be a lot easier if you defined "Warbler". Old World "Warblers" are a group of not too closely related families, New World Woodwarblers ( it'd be a lot easier if they called them that ) have quite a few species that aren't Woodwarblers and there are a motley bunch of other species, world wide, called "Warbler" but are in no way related to any of the other "Warblers".
also worth bearing in mind that in a large group such as this, there is no "categorical" right answer as different authorities will split and lump things differently.