In 1853, George Tate presented a paper to the Berwick Naturalists' Club, at which a John Collingwood Bruce agreed that the carvings had "... a common origin, and indicate a symbolic meaning, representing some popular thought."
En 1853, George Tate leu un traballo no Berwick Naturalist's Club, co que John Collingwood Bruce coincidía, e no que se sinalaba que os glifos tiñan "...unha orixe común, e indican un significado simbólico co que se representa un pensamento popular".