| Refine your resultsProjectsRobert P. Patterson project. (1)
NamesIngersoll, William T., interviewer.--http://id.loc.gov/vocabulary/relators/ivr (1)
Madigan, Michael John, 1895-1981. (1)
Patterson, Robert Porter, 1891-1952. (1)
SubjectsEngineers--Interviews. (1)
Ingersoll, William T., interviewer.--http://id.loc.gov/vocabulary/relators/ivr (1)
Interviews. (1)
Madigan, Michael John, 1895-1981. (1)
Oral histories. (1)
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