Resource Type
Collection
Serial/Series Title
NACA Technical Notes
44
NACA Technical Reports
28
NACA Technical Memorandums
26
NACA Aircraft Circulars
11
NACA Special Reports
7
United States Bureau of Mines Reports
4
Information circular (United States. Bureau of Mines)
2
Report of investigations (United States. Bureau of Mines)
2
Coal-Mine Fatalities
1
Personal Papers (MS 80-0002)
1