HNN-расширения

[A] Wong, P.C.; Rostami-Ravari, A. Weak potency of HNN extensions.
    Proceedings of the 31st Iranian mathematics conference, Tehran, Islamic Republic of Iran, August 27-30, 2000. Appendix containing errata and additional papers. Tehran: University of Tehran, 21-24 (2000).

Обобщенные свободные произведения

[A]^* Wong, P.C.; Tang, C.K. Residual finiteness of generalized free products of isomorphic groups.
    Algebra Colloq. 4, No.2, 133-139 (1997). [ISSN 1005-3867]

[A] Wong, P.C.; Koay, H.L. Generalised free products of isomorphic potent groups.
    Bull. Malays. Math. Soc., II. Ser. 11, No.2, 35-38 (1988).

Allenby, R.B.J.T. The potency of cyclically pinched one-relator groups.
    Arch. Math. 36, 204-210 (1981).

Древесные и полигональные произведения

[A]^* Wong, P.C.; Tang, C.K. Tree products and polygonal products of weakly potent groups.
    Algebra Colloq. 5, No.1, 1-12 (1998). [ISSN 1005-3867]

[A]^* Wong, P.C.; Tang, C.K. Residual finiteness of generalized free products of isomorphic groups.
    Algebra Colloq. 4, No.2, 133-139 (1997). [ISSN 1005-3867]

Свободные и разрешимые группы

[A] Шахова, Н.Г. Некоторые аппроксимационные свойства разрешимых групп.
    Мат. обеспеч. ЭВМ и систем прогр. М.: 1989, 4–7.

[A] Hartley, Brian; Lennox, John C.; Rhemtulla, A.H. Cyclically separated groups.
    Bull. Austral. Math. Soc. 26, No.3, 355–384 (1982).

Прочее

[A] Wong, P.C. The potency of certain free-by-cyclic groups.
    Bull. Malays. Math. Soc., II. Ser. 9, 51-53 (1986).

^* Имеется печатный оттиск данной статьи