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<dl><dd>5 v. 19 cm</dd>
<dd>Vols. 1-4, series title also at head of t.-p</dd>
<dd>I. Harold's first discoveries, by J. W. Troeger.--II. Harold's rambles, by John W. Troeger.--III. Harold's quests, by John W. Troeger.--IV. Harold's explorations, by John W. Troeger and Edna Beatrice Troeger.--V. Harold's discussions, by John W. Troeger and Edna Beatrice Troeger</dd></dl><br>Subjects: Natural history -- Juvenile literature; Readers -- Natural history</div>
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Troeger, John W. (John Winthrop), 1849-</div>
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