NMLP P-002241 · True-first precedence · minted 2026-07-04

Frog and Toad Are Friends

Arnold Lobel · Harper & Row · 1970

US Harper & Row is the true first. The Harper copyright-page code, the illustrated boards, and the pre-Caldecott jacket (no Honor seal) are the markers.

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New Mexico Literacy Project — True-first precedence NMLP P-002241 for "Frog and Toad Are Friends" by Arnold Lobel (https://newmexicoliteracyproject.org/id/point/p-002241, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).