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Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History
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Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History
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Dates:
1942-1971
Level:
subseries
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History

Collected by Tropp and referred to as the "H" Files, these materials consist of approximately 6 cubic feet and span the years 1922 to 1973. Arranged alphabetically, these materials include articles authored by interviewees, bibliographies, product literature, and reports. Interviewees associated with a particular file are noted parenthetically.

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Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History
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Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History
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Dates:
12/3/1969
Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History
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Dates:
6/27/1969
Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History
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Dates:
10/29/1970
Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History
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Dates:
5/18/1972
Level:
file
Collection ID:
NMAH.AC.0196
Repository:
Archives Center, National Museum of American History