Ingenieurkorps: I 64.061 
Ver. staaten v •.Amerika 

Kanarek, Haro1d: The Mid-At1antic Engineers: 
A history of the Ba1timore District U.S. 
Army Corp~ of Engineers, 1774-1974. 
[I11ustr.J -Washing~on (1976): Gav.Pr. 
Office. VI, 196 S. 4