Harvard University. International Program in Taxation & Wald, H. P. 1. (1954). Papers and proceedings of the conference and economic development, held under the auspices of the International Program in Taxation, Law School of Harvard University, January 28-February 3, 1954. s.n.

Harvard University. International Program in Taxation and Haskell P. 1916 Wald. Papers and Proceedings of the Conference and Economic Development, Held Under the Auspices of the International Program in Taxation, Law School of Harvard University, January 28-February 3, 1954. Cambridge: s.n, 1954.

Harvard University. International Program in Taxation and Haskell P. 1916 Wald. Papers and Proceedings of the Conference and Economic Development, Held Under the Auspices of the International Program in Taxation, Law School of Harvard University, January 28-February 3, 1954. s.n, 1954.