0 the fact of grammatical patterns being ergative:
I am interested in the types of ergativity found in languages of the world.
Many important papers were published on ergativity in a wide geographical spread of languages.
How old is ergativity in ' old ergative languages '?
An interpretation of split ergativity and related patterns.
Ergativity of nouns and case assignment.
The discourse basis of ergativity.
Lexical perspectives on transitivity and ergativity.