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2. 1932 The Theory of the Excitation of Atomic Mercury by Electron Impact. Physical Review 39 , 467 - 473 . Effect of Nuclear Spin on the Radiation Excited by Electron Impact. Proc. Nat. Acad. Sci. 18,231-237. (With Schlapp) Influence of Crystalline fields on the Magnetic Susceptibilities of Paramagnetic Ions I Physical Review 41,194-207. (With Schlapp) Influence of Crystalline fields on the Magnetic Susceptibilities o f Paramagnetic Ions II Physical Review 42,666-686.
3. 1933 Influence of Crystalline fields on the Magnetic Susceptibilities of Paramagnetic Ions TTT Physical Review 43 , 485 - 490 .
4. Paramagnetic Ions IV Phil. Mag. 17
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