Kristeva became influential in international critical analysis, cultural studies and feminism after publishing her first book, "Semeiotikè", in 1969. She has published a large amount of academic work including books and essays which address intertextuality, the semiotic, and abjection, in the fields of linguistics, literary theory and criticism, psychoanalysis, biography and autobiography, political and cultural analysis, art and art history. She is important in structuralist and poststructuralist thought.