General Potential Theory of Arbitrary Wing Section (1934)
NASA Technical Reports Server (NTRS) · leaf 31
28 Theoretical Experimental o Upper surface x Lower (Average R.N.=Sx/Oe) Fiorais 28 a to e.—Theoretical and experimental pressure distribution lor the M6 airfoil at various angles of attack
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.