Lewis, M. P. (ed.) (2009). MaithiliArchived 2013-09-22 at the Wayback Machine Ethnologue: Languages of the World. Sixteenth edition. Dallas, Texas: SIL International.
Lewis, M. P. (ed.) (2009). MaithiliArchived 2013-09-22 at the Wayback Machine Ethnologue: Languages of the World. Sixteenth edition. Dallas, Texas: SIL International.