 Basu also wrote "Uttarrarhiya Kayastha Kanda" (1910), a sub-regional history of Uttar Rarh (a geographical region in North Bengal) by integrating the genealogical histories of various local caste-"samaj"s—Kandi, Jemo, Rashra, Joyjan et al.A volume on the regional history of Burdwan and Kamarupa was also produced in similar manner.Patronage in various forms were provided by local aristocrats, rajahs and zamindars.