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1
Natural selections national parks in Atlantic Canada, 1935-1970 /
Έκδοση 2001An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
2
Taking the air ideas and change in Canada's national parks /
Έκδοση 2007An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
3
Natural museums U.S. national parks, 1872-1916 /
Έκδοση 2004An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
4
Reshaping our national parks and their guardians the legacy of George B. Hartzog Jr. /
Έκδοση 2012An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
5
Preserving nature in the national parks a history : with a new preface and epilogue /
Έκδοση 1997An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
6
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7
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8
Natural museums U.S. national parks, 1872-1916 /
Έκδοση 2004An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
9
Reshaping our national parks and their guardians the legacy of George B. Hartzog Jr. /
Έκδοση 2012An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
10
Preserving nature in the national parks a history : with a new preface and epilogue /
Έκδοση 1997An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
11
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12
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13
Civilizing nature national parks in global historical perspective /
Έκδοση 2012An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
14
Natural selections national parks in Atlantic Canada, 1935-1970 /
Έκδοση 2001An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
15
Taking the air ideas and change in Canada's national parks /
Έκδοση 2007An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο -
16
Civilizing nature national parks in global historical perspective /
Έκδοση 2012An electronic book accessible through the World Wide Web; click to view
Ηλεκτρονική πηγή Ηλ. βιβλίο