Collection
Serial/Series Title
NACA Technical Notes
4
NACA Technical Memorandums
3
NACA Technical Reports
2
Farmers' bulletin (United States. Department of Agriculture)
1
Farmers' bulletin (United States. Dept. of Agriculture)
1
Leaflet (United States. Department of Agriculture)
1
Report of investigations (United States. Bureau of Mines)
1
United States Bureau of Mines Reports
1