- Cowling, D. L. 1956. Views of the Sabaragamuwa Planters' Association. Tea Quarterly 27125-126.
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- Waters, W. E., and E. B. Cowling. 1976. Integrated forest pest management: a silvicultural necessity. Pages 149-177 in J. L. Apple and R. F. Smith, Integrated pest management. Plenum Publishing Corporation, New York.