English: The names of the dialects or "groups" of East Bengali are given in the legend. The boundaries of the districts at Partition (1947) are given in dotted lines, as Haldar often referred to specific dialects by colonial districts' names. The divisions or "zones" within the largest Group I which are not based solely on the borders of colonial districts are outlined in white (them being Barisal-Faridpur, Bikrampur, Manikganj-Tangail, Dhaka Central and North, Mymensingh Central, and Jamalpur).
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