Vereinigte Staaten von Amerika: F I 391 
Forschungsinstitutionen 

Report annua1 board. -Annual report of the 
Board of Regents of the Smithsonian 
Institution showing the operations, expenditures, 
and condition of the Institution 
for the year ended June 30, ••• 1938-1944. 
1946-1950. 1952-1953. 1955-1958. Ö 
Washington: Gov.Pr.Off.1939-59. 8