Ralph C. Hawley

A progress report of the results secured in treating pure white pine stands

Year unknown

Artificial pruning in coniferous ...

Artificial pruning in coniferous plantations

Year unknown

A second progress report of the r...

A second progress report of the results secured in treating pure white pine stands on experimental plots at Keene, New Hampshire

Year unknown

A working plan for the woodlands of the New Haven Water Company

Year unknown

Do ants kill trees about their co...

Do ants kill trees about their colonies?

Year unknown Ralph C. Hawley and Samuel J. Record

Establishment, development, and management of conifer plantations in the Eli Whitney Forest, New Haven, Connecticut

Year unknown

Forest protection

Forest protection

Year unknown

" Forestry in New England"

Year unknown

Growing of white pine on the Yale...

Growing of white pine on the Yale forest near Keene, New Hamphire [sic]

Year unknown

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

Year unknown

Observations on thinning and mana...

Observations on thinning and management of eastern white pine (Pinus strobus Linnaeus) in southern New Hampshire

Year unknown

Selection cuttings for the small ...

Selection cuttings for the small forest owner

Year unknown

Studies of Connecticut hardwoods

Studies of Connecticut hardwoods

Year unknown

The Eli Whitney Forest

Year unknown

The practice of silviculture

The practice of silviculture

Year unknown

The practice of silviculture

The practice of silviculture

Year unknown

The practice of silviculture, with particular reference to its application in the United States

Year unknown