Odisha's present form is the culmination of a long and painful process. Undivided Cuttack, Puri and Balasore were part of Bengal since 1803. Undivided Ganjam and Koraput were a part of Madras since earlier. Sambalpur was with Central Provinces (1/n)
JP Das, A Time Elsewhere
Mahatab, The Beginning of the End
Beames, Memoirs of a Bengal Civilian
Mazumdar, Orissa in the Making
Donaldson, Buddhist/Vaishnavite Iconography of Orissa