Resource Type
Serial/Series Title
NACA Technical Notes
34
NACA Technical Reports
31
NACA Technical Memorandums
21
United States Bureau of Mines Reports
12
United States Geological Survey Reports
6
NACA Special Reports
5
Contributions to the Data on Theoretical Metallurgy
3
Geological Survey bulletin
3
NACA Aircraft Circulars
2
Report of investigations (United States. Bureau of Mines)
2
14 More