Columbia subject headings:
Ambedkar, B. R. (Bhimrao Ramji), 1891-1956--Congresses.
Ambedkar, B. R. (Bhimrao Ramji), 1891-1956--Political and social views--Congresses.
Science.
Harvard subject headings:
Ambedkar, Bhimrao Ramji, 1892-1956--Political and social views--Congresses.
Ambedkar, Bhimrao Ramji, 1892-1956--Views on science--Congresses.
Princeton subject headings: