Smithsonian In 
WASHINGTON 25 
U. S. A. 
SAVE TH 
BUY U.S 
PAYROL 
AIR LETTER 
AEROGRAMME 
VIA AIR MAIL 
PAR AVION 
Dr* Waldo Schmitt 
c/o Louis Tan den Berghe 
Director IRSAC 
Lwiro (Katana ) 
D#S* Bukavu, Belgian Congo. 
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