Bibliography of South Asian Ornithology · Search: Location is “BRAHMAPUTRA RIVER”, filtered by Decade: 1940, Publication: Journal of the Bengal Natural History Society · 2 records · Printed 28 October 2026 · https://southasiaornith.in/search?decade=1940&location=BRAHMAPUTRA+RIVER&publication_is=Journal+of+the+Bengal+Natural+History+Society