During his lifetime, he authored 115 books published in fifteen languages. He influenced major decisions relating to historical research in India in his roles as head of the departments of History at Patna and Delhi University, as Chairman of the Indian Council of Historical Research, as an important member of the National Commission of the History of Sciences in India and UNESCO Commission on the history of Central Asian Civilizations and of the University Grants Commission and, above all, as a practising historian. At the instance of Sachchidananda Sinha, when Professor Sharma was in Patna College, he worked as a special officer on deputation to the Political Department in 1948, where prepared a report on the Bihar-Bengal Boundary Dispute. His pioneering effort resolved the border dispute forever as recorded by Sachchinand Sinha in a letter to Rajendra Prasad.