Search Constraints
Filtering by:
Creator
Jewell, Dennis E.
Remove constraint Creator: Jewell, Dennis E.
Creator
Jones, I. R. (Idwal Ralph), 1898
Remove constraint Creator: Jones, I. R. (Idwal Ralph), 1898
Decade
1930-1939
Remove constraint Decade: 1930-1939
Resource Type
Technical Report
Remove constraint Resource Type: Technical Report