Duncan D Campbell

A Grammar of the Teloogoo Language, Commonly Termed the Gentoo, Peculiar to the Hindoos Inhabiting the Northeastern Provinces of the Indian Peninsula  Alexander Duncan D Campbell Hardback. Legare Street Press, 2023-07-18 ISBN 9781019774229     Adult education as a field of study and practice: Strategies for development (Monographs on comparative and area studies in adult education)  Duncan D Campbell Center for Continuing Education, University of British Columbia, 1977 ISBN 9780888430472