For French-language comics search:
Comic books, strips, etc.--France
Comic books, strips, etc.--Belgium
Comic books, strips, etc.--Africa, French-speaking
Bandes dessinées
Bandes dessinées--Canada
Romans graphiques
For history and criticism search:
Comic books, strips, etc.--France--History and criticism
Comic books, strips, etc.--Belgium--History and criticism
Bandes dessinée--France--Histoire et critique
Bandes dessinée--Belgique--Histoire et critique