Axelby, Richard. Science and the changing environment in India, 1780-1920: a guide to sources in the India office records / Richard Axelby. - London : British Library, 2010. - 287p HB ISBN: 978-0-7123-0945-5 Standard No.: 10265 [old SOUL v1.0 record id] Subjects--Topical Terms: Environmental Change - India - 19th century Dewey Class. No.: 577.2095409034 / Ax21s