_:vb7177693 "1895, Henry Graham Williams, Outlines of Psychology\u200E[1], 3rd edition, Syracuse: C. W. Bardee, \u2192OL, LCC BF141.W12, page 5:"@en . _:vb7177693 "Every student should acquaint thonself with some method by which thon can positively correlate the facts of thons knowledge."@en .