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"May American manhood be sturdy as the oak" - President Roosevelt planting a tree, Fort Worth, Texas.
by SMU Libraries Digital Collections
by SMU Libraries Digital Collections
No known copyright restrictions(著作権制限なし)

Arcing Drill Which Federal Mine Inspectors Said Was Against Regulations and Could Not Be Used by George Wilson in His "Brother-In-Law" Mine near Wilder and Cookeville, Tennessee 04/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)
2,401件~2,460件 (全 521,625件)