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by Titichener, Edward Bradford
by Titchener, Edward Bradford
by Stumpf, Edward M.; Fritz, Frederick R.; Bradford, William W.
by Babbitt, Arthur Bradford; Flanders, Ralph Edward; Whittier, C. R.
by Bradford, S. H., Mrs.; Marks, Edward N.
by Wundt, Wilhelm; Titchener, Edward Bradford; Washburn, Margaret Floy
by Kulpe, Oswald; Titchener, Edward Bradford