. . . . . . . . . . . "Preliminary report of the committee appointed to prepare a plan of a model system of state and local taxation"@en . . . . . "Preliminary report of the committee appointed by the National tax association to prepare a plan of a model system of state and local taxation" . . "Preliminary report of the committee appointed by the National tax association to prepare a plan of a model system of state and local taxation"@en . . . . "Preliminary report of the committee appointed by the National Tax Association to prepare a plan of a model system of state and local taxation" . . "Preliminary report of the committee appointed by the National Tax Association to prepare a plan of a model system of state and local taxation"@en . . . . . . . .