Slowly Growing Integral and Subharmonic functions. W.K. Hayman — 1960 Commentarii mathematici Helvetici
Einige Verallgemeinerungen des Iversenschen Satzes auf subharmonische Funktionen. W.K. Hayman — 1969 Jahresbericht der Deutschen Mathematiker-Vereinigung
A Generalisation of Stirling's Formula. W.K. Hayman — 1956 Journal für die reine und angewandte Mathematik
Five integral inequalities; an inheritance from Hardy and Littlewood. Evans, W.D.; Everitt, W.N.; Hayman, W.K.; Jones, D.S. — 1998 Journal of Inequalities and Applications [electronic only]
The spherical derivative of integral and meromorphic functions. J. Clunie; W.K. Hayman Commentarii mathematici Helvetici
Eigenvalue Inequalities for the Dirichlet Problem on Spheres and the Growth of Subharmonic Functions W.K. Hayman; S. Friedland — 1976 Commentarii mathematici Helvetici
Slowly growing subharmonic functions I. M. Essén; W.K., Huber, A. Hayman — 1977 Commentarii mathematici Helvetici