NMLP P-008361 · Point of issue · minted 2026-07-04

The Case of the Lonely Heiress

Erle Stanley Gardner · William Morrow · 1948

First published in book form by William Morrow, New York, 1948, the thirty-first Perry Mason mystery, 272 pages

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New Mexico Literacy Project — Point of issue NMLP P-008361 for "The Case of the Lonely Heiress" by Erle Stanley Gardner (https://newmexicoliteracyproject.org/id/point/p-008361, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).