5 1 10 Destructive And Useful Insects (Their Habits and Control, Forth Edition) Hall, C.W. Additional Author Metcalf,C.L.Flint,W.P & Metcalf,R.L. Additional Author mixed material Singapore McGraw- Hill Book Company 1967 Interior West Global Change Workshop (April 25-27, 1995, Fort Collins, Colorado) (USDA) Hall, C.W. Additional Author Brooker, D.B. Additional Author Bakker-Arkema, F.W. Additional Author Tinus,R.W Additional Author mixed material Colorado USDA Forest Service 1995 Notes on Thinning in Plantations Hall, C.W. Additional Author Homfray,C.K Additional Author mixed material Bengal Superintendent,Government press 1936 Trees The Yearbook Of Agriculture United States Department of Agriculture Additional Author Hall, C.W. Additional Author Richey, C.B. Additional Author Jacobson, P. Additional Author mixed material USA U.S. Government Printing Office Washington, D.C. 1949 Biology, Ecology And Behaviour Of Principal Natural Enemies Of Major Insect Pests Of Forest Trees In Pakistan Hall, C.W. Additional Author Ghani,M.A and Cheema,M.A. Additional Author mixed material England Commonwealth Agricultural Bureaux 1973