Robert C. O'Brien won the John Newbery Medal for Newbery Medal in 1972 for Mrs. Frisby and the Rats of NIMH.
| Year | Contest | Category | For | Sources |
|---|---|---|---|---|
| 1972 | John Newbery Medal | Newbery Medal | Mrs. Frisby and the Rats of NIMH | 1 · 2 |
Robert C. O'Brien won the John Newbery Medal for Newbery Medal in 1972 for Mrs. Frisby and the Rats of NIMH.
| Year | Contest | Category | For | Sources |
|---|---|---|---|---|
| 1972 | John Newbery Medal | Newbery Medal | Mrs. Frisby and the Rats of NIMH | 1 · 2 |