1920 completeairman00bailrich
1920 flyingatlanticin00browrich
1920 aeronauticsclass00wilsrich
1920 airsicknessitsna00crucuoft
1918 britishaircrafti00londrich
1917 airfareoftodayof00middrich
1918 highadventurenar00halluoft
1918 manualofaerograp00mcadrich
1916 americanpracnavi00bowdrich
1916 armyreportofcomm00grearich
1919 ouratlanticattem00hawkrich
1920 appliedaerodynam00bairrich
1909 conquestofairora00rotcrich
1909 practicalaerodyn00baderich
1909 aeronauticsoraer00broorich
1910 howtobuildaeropl00petirich
1917 dorcysairshipman00orcyrich
1911 conquestofairaer00bergrich
1917 militaryaeroplan00loeniala
1918 aerialnavigation00unitrich