Seven grammars of the dialects and subdialects of the Bihari language : spoken in the province of Bihar, in the eastern portion of the north- western provinces,and in the northern portion of the central provinces /
George A. Grierson.
- Delhi, India: Kalpaz Pub., 2005.,
- 3 vols.
Vol. 1 in 3 parts : Introductory, Bhojpuri dialect, Magadhi dialect -Vol.2 in 2 parts : Maithil Bhojpuri dialect, South Maithili dialect - Vol.3 in 3 parts: South Maithil-Magadhi dialect, South Maithili - Bangali dialect, Maithil Bengali dialect.