Cornell extension bulletin
New York State College of Agriculture at Cornell University
Extension bulletin
by Richard J. McNeil
New York State College of Agriculture at Cornell University 1967 Cornell extension bulletin 1189
所蔵館1館
by V.B. Hart and M. Slade Kendrick
New York State College of Agriculture at Cornell University 1955 Cornell extension bulletin 861
R. S. Smith and S. W. Warren
New York State College of Agriculture at Cornell University 1953 Cornell extension bulletin 892
Edward O. Moe
New York States College of Agriculture at Cornell University 1952 Cornell extension bulletin 864
C.A. Bratton
New York State College of Agriculture at Cornell University 1952 Cornell extension bulletin 861
Cornell University 1917 Cornell extension bulletin 12