Utilizing urban tree debris : an analysis of alternatives for Chicago, Illinois /

Prepared in cooperation with Chicago Bureau of Forestry, Parkways, and Beautification.

Twentieth century practice; an international encyclopedia of modern medical science by leading authorities of Europe and America,

Contains bibliographies.

Foundations of silviculture upon an ecological basis.

Bibliography: p. 425-457.

An assessment of the forest and range land situation in the United States /

"January 1980."