PUBLICATIONS 509 



No. Title. Series. Frice. 



1917 Annual Report of the Smithsonian Institution for the year 



ending June 30, 1908 (containing Nos. 1855, 1856, and 

 1888-1914) . 1909 R. 1908 



1918 Annual Report of the Smithsonian Institution for year 



ending June 30, i'9o8, Part 2, National Museum. 1909.. M.R. 1908 



1919 Annual Report of the Smithsonian Institution for year 



ending June 30, 1909, Part 2, National Museum. 1909.. M.R. 1909 



1920 Brockett, Paul,. Bibliography of Aeronautics. Hodgkins 



Fund Publication. (In press) M.C. 55 



1921 Smithsonian jMiscellaneous Collections (Quarterly Issue, 



Vol. V), Vol. LII. 1910 r M.C. 52 



