What has the author Ralph Alcock written?

Ralph C. Hawley has written:

'Selection cuttings for the small forest owner' -- subject(s): Forests and forestry

'Manual of forestry for the Northeastern United States, being vol. 1 of Forestry in New England rev. by Ralph Chipman Hawley, and Austin Foster Hawes' -- subject(s): Forests and forestry

'The practice of silviculture, with particular reference to its application in the United States' -- subject(s): Forests and forestry

'Forest protection' -- subject(s): Forest fires, Forests and forestry

'Establishment, development, and management of conifer plantations in the Eli Whitney Forest, New Haven, Connecticut' -- subject(s): Conifers, Forests and forestry

'Studies of Connecticut hardwoods' -- subject(s): Hardwoods, Forests and forestry