smith, Guy-harold, Edited text bibliography nyu New York Wiley 1958 1958 1950 2nd ed. monographic eng

print

xiii,474 p. : ill. ; 25 cm. Edited by Guy-harold smith Bibliography: p. 655-660. Conservation of natural resources United States United States Economic conditions 333.720973 CON 1958 http://www.loc.gov/catdir/toc/fy0713/71129661.html http://www.loc.gov/catdir/toc/fy0713/71129661.html DLC 160625 20211209053729.0 43645 eng