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In page Emma Gelders Sterne:

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In 1954 and 1955 she published two picture books for small children, which were retellings of American Indian legends, under the pseudonym Emily Broun.[citation needed] From 1959 to 1966, she and her younger daughter Barbara Lindsay wrote the Kathy Martin series (about a nurse and amateur sleuth) of young adult novels, published under the pseudonym Josephine James.[2]