McGuire, S. H. Keys to seascapes / [electronic resource] / [written by S.H. McGuire.].. — Cleveland, Ohio : : American Greetings Corp.,, c1972.. — 34 p. : : ill. (some col.) ; 32 cm. — (Keys to art instruction)(Skylight studio). Cover title. LCCN: 72084177 Subjects--Topical Terms: Painting--Technique.Marine painting.