NMLP P-020183 · True-first precedence · minted 2026-07-04
Harriet the Spy
Louise Fitzhugh · Harper & Row · 1964
US Harper & Row (1964) is the true first. The identifying points are the absent later-printing line, the pictorial Fitzhugh boards, and the first-issue jacket with its 1064 date code, printed price, and a rear panel that does not yet list The Long Secret.
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New Mexico Literacy Project — True-first precedence NMLP P-020183 for "Harriet the Spy" by Louise Fitzhugh (https://newmexicoliteracyproject.org/id/point/p-020183, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).