 | McGrew, John R. (John Roberts), 1923- 1n | (4) |
 |
 | McGrew, John R. (John Roberts), 1923- 1n; Strawberry diseases / by John R. McGrew. Washington, D.C. : U.S. Dept. of Agriculture, 1970. | |
| McGrew, John R. (John Roberts), 1923- 1n; Control of grape diseases and insects in the Eastern United States / by J.R. McGrew and G.W. Still. Washington, D.C. : U.S. Dept. of Agriculture, 1968. | |
| McGrew, John R. (John Roberts), 1923- 1n; Strawberry diseases / by John R. McGrew. Washington, D.C. : U.S. Dept. of Agriculture, 1966. | |
| McGrew, John R. (John Roberts), 1923- 1n; Control of grape diseases and insects in the Eastern United States / by J.R. McGrew and G.W. Still. Washington, D.C. : U.S. Dept. of Agriculture, 1970. | |
|