75/ 638 [Philosophy]. Schönbeck, G.L.J. Sunbowl or Symbol. Models for the interpretation of Heraclitus' Sun Notion. Amst., Elixir Press, 1998, XLVI,(2),439,(1)p., mounted (col.) plates, ills., printed in 724 numb. copies, orig. gilt cl. w. dustwr., thesis.