zine, the Editors of 1975 E. 

 Symonds, George W. D. 1958 G; 

 1963 G. 



Taber. William S. 1960 Del. 



Tarr, Margherita, and R. R. 

 Rothbacker 1966 Iowa. 



Taylor, Norman 1965 E. 



Tenon, Leo R. 1942 111. 



Tennessee Department of Con- 

 servation [n.d.] Tenn. 



Teuscher. Henry 1949 E; 1969 E. 



Thomas, Joab L. 1960 D. 



Thomas, John Hunter, and Dennis 

 R. Parnell 1974 Calif. 



Thomas L. K., Jr. 1960 D.C. 



Trelease, William 1924 D: 1967 F; 

 1968 E. 



Treshow, Michael, Stanley L. 

 Welsh, and Glen Moore "l964 

 Utah. 



Tresidder, Mary Curry 1948 Calif. 



Tucker, Gary Edward 1976 Ark. 



Turner, B. L. 1959 Tex. 



U.S. Department of Agriculture, 



Agricultural Research Service 



1966 E; 1972 E; 1975 E. 

 U.S. Department of Agriculture, 



Forest Service 1965? H; 1972a 



B; 1972b B: 1974 F. 

 U.S. Department of Agriculture, 



National Arboretum, 1974 E. 



Van Dersal, William R. 1939 F; 



1942 E. 

 Van Melle, P. J. 1955 E. 

 Vannorsdall. Harry H. 1958 Ohio. 

 Van Rensselaer, Munsell, and 



Howard E. McMinn 1942 D. 

 Viereck, Leslie A., and Elbert L. 



Little, Jr. 1972 Alaska; 1974 



Alaska; 1975 C. 

 Viertel, Arthur, T. 1959 G. 

 Vines, Robert A. 1960 H. 



Vines, Robert A., and Sara 

 Kahlden Arendale 1953 Tex. 



Virginia Division of Forestry 1969 

 Va. 



Virgin Islands Soil and Water 

 Conservation District 1973 V.I. 



Walden. Fred 1963 Fla. 



Watkins, John V., and Thomas J. 

 Sheehan 1975 Fla. 



Watts, May Theilgaard 1963 G. 



Webber, John Milton 1953 D. 



Weiner, Michael 1975 E. 



Weniger, Del [1969] D. 



Werthner, William B. 1935 Ohio. 



West, Erdman, and Lillian E. Ar- 

 nold 1956 Fla. 



Wharton, Mary E., and Roger W. 

 Barbour 1973 Ky. 



Wigginton, Brooks E. 1963 E. 



Wilde, S. A. 1953 Wis. 



Williams, John E. 1973 C. 



Wilson, F. G. 1974 Wis. 



Wolf, Carl B. 1938 D. 



Wolf, Carl B., and Willis W. 

 Wagener 1948 D. 



Wright, Jonathan 1955 D. 



Wylie, John E., and Ramon Gass 

 1973 Mo. 



Wyman. Donald 1954 E; 1956 E; 

 1965 E; 1969 E; 1974 E. 



Yocum, Charles F. 1964 Oreg. 

 York, Harlan H. 1961 Ala. 

 Young, Robert A., and Joseph R. 



Haun 1961 D. 

 Youngman, Wilbur H. 1974 D.C. 

 Youngman, Wilbur H., and 



Charles E. Randall 1969 E. 



Zim, Herbert S., and Alexander 



C. Martin 1956 F. 

 Zink, Robert C. 1952 Wyo. 

 Zion, Robert L. 1968 E. 

 Zucker, Isabel 1966 E. 



•U.S. GOVERNMENT PRINTING OFFICE: 1977 O— 218-979 



56 



