1899-1986 1940-1985 20thcentury argentina argentineliterature childreninpopularculture criticismandinterpretationborges criticismandinterpretationcortázar criticismandinterpretationwalsh fictiongenres historyandcriticism jorgeluis julio literatureandsociety osvaldo popularcultureinliterature rodolfoj violenceinpopularculture