Books about Nature study -- Juvenile literature
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Nature readers : Sea-side and way-side. No. 4
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Country Walks of a Naturalist with His Children
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Bäume und Sträucher (German)
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Nature readers : Sea-side and way-side. No. 3
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Pflanzenleben in Feld und Garten (German)
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The 'Look About You' Nature Study Books, Book 3 [of 7]
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The 'Look About You' Nature Study Books, Book 2 [of 7]
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Aus dem Leben der Insekten (German)
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Nature readers : Sea-side and way-side. No. 1
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Aus dem Leben unserer Vögel (German)
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Nature readers : Seaside and wayside No. 2
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The 'Look About You' Nature Study Books, Book 4 [of 7]
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Am Teich- und Flußufer (German)
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Tiere und Pflanzen in Wald und Feld (German)