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Mein buntes Buch: Naturschilderungen

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Minstrel Weather

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Muskrat City

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My First Summer in the Sierra

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My Studio Neighbors

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Natural Wonders

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Nature Near London

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Nature’s Teachings: Human Invention Anticipated by Nature

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Old Plymouth Trails

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Olympic National Park, Washington

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Outings at Odd Times

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Outlines of Creation

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Pond and Stream

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Rocky Mountain National Park, Colorado

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Rollo’s Experiments

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Rollo’s Museum

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Round-about Rambles in Lands of Fact and Fancy

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Rustic Sounds, and Other Studies in Literature and Natural History

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Saguaro National Monument, Arizona

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Secrets of the Woods

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Social Environment and Moral Progress

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Some Spring Days in Iowa

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Some Summer Days in Iowa

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Some Winter Days in Iowa

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The Andes and the Amazon; Or, Across the Continent of South America

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The Beauties of Nature, and the Wonders of the World We Live In

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The Child’s Book of the Seasons

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The Courtship of Animals

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The Desert World

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The Development of the Feeling for Nature in the Middle Ages and Modern Times

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