Links need to be maintained with census definitions

EDITOR,—The definition and meaning of terms relating to race, ethnicity, and culture are issues to which social scientists have devoted hours and pages of thought. Some doubt whether they are indeed real entities (like “society”), but, as many studies have now shown, they are real in their effects. Kwame McKenzie and N S Crowcroft's editorial and “style guide” are helpful pointers out of the maze.1 2 It is important …