Author

Henry D Gerhold

9 books found

Cover of A Century of Forest Resources Education at Penn State

A Century of Forest Resources Education at Penn State

Henry D. Gerhold · First published 2007

Placeholder cover for Our heritage of community trees

Our heritage of community trees

Henry D. Gerhold · First published 2002

Placeholder cover for Compatible tree

Compatible tree

Henry D. Gerhold, Willet N. Wandell, Norman L. Lacasse · First published 2001

Cover of Street tree factsheets

Street tree factsheets

Henry D. Gerhold, Willet N. Wandell · First published 1993

Placeholder cover for Street tree factsheets, 1989

Street tree factsheets, 1989

Henry D. Gerhold, Willet N. Wandell, Norman L. Lacasse, Richard D. Schein · First published 1989

Placeholder cover for Selecting and growing better landscape trees for northeastern United States

Selecting and growing better landscape trees for northeastern United States

Henry D. Gerhold · First published 1979

Placeholder cover for Effect of air pollution on Pinus strobus L. and genetic resistance

Effect of air pollution on Pinus strobus L. and genetic resistance

Henry D Gerhold · First published 1977

Placeholder cover for Better trees for metropolitan landscapes

Better trees for metropolitan landscapes

Henry D. Gerhold, Silas Little · First published 1976

Cover of Breeding of Pest Resistant Trees

Breeding of Pest Resistant Trees

Henry D. Gerhold · First published 1966