Part V. The Stability of the Halogen, Cyano- and Thiocyano-Derivatives of Tertiary Aromatic Bismuthines. Transactions of the Chemical Society, 1922, Vol.121.
Part VII. Iodo- and Nitro-Derivatives of Triphenylbismuthine. Transactions of the Chemical Society, 1924, Vol. 125.
Presented in support of a dissertation for the degree of doctor of philosophy by John Frederick Wilkinson. Both parts were co-authored by Frederick Challenger (1887-1983).