NMLP P-029167 · True-first precedence · minted 2026-07-04
Where the Sidewalk Ends
Shel Silverstein · Harper & Row · 1974
US Harper & Row is the true first. Identification rests on the Harper copyright-page code/number line and the printed price first-issue jacket price.
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New Mexico Literacy Project — True-first precedence NMLP P-029167 for "Where the Sidewalk Ends" by Shel Silverstein (https://newmexicoliteracyproject.org/id/point/p-029167, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).