Gleb Wataghin. On the multiple production of mesons. The Physical Review - Letters to the Editor, v.74, nº.8, pp.975-976.

Harry Messel. On the fluctation of a nucleon cascade in homogeneous nuclear matter and calculation of average numbers. Proceedings of the Royal Irish Academy, v.54, sec.A, nº.8, Dublin University Press Ltda, pp.125-135.

Harry Messel, D. M. Ritson. On the development of the nucleon component of the cosmic radiation in air. Proceedings of the Physical Society, v.LXIII, sec.A, pp.1359-1365.

Leonie Jánossy e Harry Messel. On the calculation of average numbers for the electron-photon cascade. Proceedings of the Royal Irish Academy, v.54, sec.A, nº.15, Dublin University Press Ltda, pp.217-243.

Harry Messel. On some recent calculations on cascade shower theory. The Physical Review - Letters to the Editor, v.82, nº.2, pp.259-260.

Bernhard Gross. On after-effects in solid dielectrics. The Physical Review, v.57, pp.57-59.

Jean Daudin. Observations sur les premiers résultats d´expériences poursuivies au Pic du Midi. Research, special supplementary volume, Colston papers: ´Cosmic Radiation, pp.165-169.

J. B. Harding. Observation of cosmic ray events in nuclear emulsions exposed in a glacier at 3550 m.. Philosophical Magazine, série 7, v.XLII, pp.651-662.

Bruno Rossi, Matthew Sands e Robert F. Sard. Measurement of the slow meson intensity at several altitudes. The Physical Review, v.72, nº.2, pp.120-125.

Lajos Jánossy e Harry Messel. Investigation into the higher moments of a nucleon cascade. Proceedings of the Royal Irish Academy, v.54, sec.A, nº.16, Dublin University Press Ltda, pp.245-262.