[1956] Transformation groups on complex Stiefel manifolds

[1957] Hausdorff dimension and capacities of intersections of sets in$n$-space

[1958] Measured foliations and the minimal norm property for quadratic differentials

[1959] Every covering of a compact Riemann surface of genus greater than one carries a nontrivial$L$^{2}harmonic differential

[1960] New Banach space properties of the disc algebra and$H$^{∞}