American Rotary Valve Company.
| Role | Title | Holding Repository | |
|---|---|---|---|
| creatorOf | Keller, Kent Ellsworth, 1867-1954. Papers, 1828-1954. | Abraham Lincoln Presidential Library |
| Role | Title | Holding Repository |
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| associatedWith | Keller, Kent Ellsworth, 1867-1954. | person |
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Corporate Body
Active 1828
Active 1954
