"1915" . . . . "JJ Clark" . . . . . "JJ Clark's" . "John James Clark" . . . "J J Clark" . "JJ & EJ Clarke" . . "J Clark and Sons" . . . . . "J. J. Clark" . . . . . . . . . . . . . . . . "Clark Bros." . "1838" . . . "John James Clark's" . "J. James Clark" . . "J.J Clark" . . . . . . . . . "John James Clark" . . . "J.J. Clark" .