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I 29.117/3:R 15
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101 Ranch historic district : Ponca City vicinity, Oklahoma |
1 |
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I 29.117/3:T 23
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Telluride Historic District : Denver/Rio Grande Southern Railroad Depot, Telluride, Colorado |
1 |
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I 29.117/3:T 39
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Thorstein Veblen farmstead, Nerstrand vicinity, Minnesota |
1 |
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I 29.117/3:W 27
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Old Washoe Club : Virginia City Historic District, Virginia City, Nevada |
1 |
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I 29.117/3:Y 8
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York (Alvin Cullom ) Farm : Pall Mall, Tennessee |
1 |
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I 29.117/4:988
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Damaged and threatened national natural landmarks |
1 |
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I 29.117/4:996
|
Damaged and threatened national natural landmarks |
1 |
|
I 29.117/4:997
|
Damaged and threatened national natural landmarks |
1 |
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I 29.117:AF 8
|
African American outdoor recreation theme study : historic context and National Historic Landmark survey |
1 |
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I 29.117:AR 2
|
Architecture in the parks |
1 |
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I 29.117:Ar 2
|
Architecture in the parks : national historic landmark theme study |
1 |
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I 29.117:AR 2/2
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Archaic shell rings of the Southeast U.S., historic context |
1 |
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I 29.117:AS 4
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Finding a path forward, Asian American Pacific Islander National Historic Landmarks theme study |
1 |
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I 29.117:AS 8
|
Astronomy and astrophysics |
1 |
|
I 29.117:As 8
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Astronomy and astrophysics National Historic Landmark theme study |
1 |
|
I 29.117:AV 5
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American aviation heritage : identifying and evaluating nationally significant properties in U.S. aviation history |
1 |
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I 29.117:C 49
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Civil rights in America : racial desegregation of public accommodations |
1 |
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I 29.117:C 49/2
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Civil rights in America : racial voting rights |
1 |
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I 29.117:C 49/3
|
Civil rights in America : racial discrimination in housing |
1 |
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I 29.117:C 56
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The Clash of Cultures trails project : assessing the national significance of trails associated with U.S. Army/American Indian campaigns in the trans-Mississppi West |
1 |