Shapiro, Michael C.; Dass, Nirmal (2002). "Songs of the Saints, from the Adi Granth". Journal of the American Oriental Society122 (4): 924–929. doi:10.2307/3217680.
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Sikhism. The Guru Granth Sahib (GGS) By Harjinder Singh. "The Guru Granth Sahib also contains hymns which are written in a language known as Sahiskriti as well as Sant Bhasha, it also contains many Persian and Sanskrit words throughout."