Taxation in Brasil. - Harvard University. International Program in Taxation; Gumpel, Henry J.; Sousa, Rubens Gomes de. (Boston, Little, Brown, 1957.)
"Primarily the work of the following staff member and correspondents: Henry J. Gumpel and Rubens Gomes de Sousa."
Bibliography and sources, with list of abbreviations" : p. xix-xxv.
Keywords: Taxation -- Law. -- Brazil