Artists Claes Oldenburg and Coosje van Bruggen's whimsical "Plantoir" trowel sculpture in Iowa capital city of Des Moines was specifically designed for outdoor viewing in a garden setting | Library of Congress
A Pop Art Giant, Claes Oldenburg Mastered the Urban Spectacle - Bloomberg
Claes Oldenburg | Biography, Art, Sculptures, & Facts | Britannica
Sculptor Claes Oldenburg, maker of colossal everyday objects, has died at 93 - CNN Style
Artist Claes Oldenburg, artist who created Free Stamp in Cleveland, dies
Sculptor Claes Oldenburg, maker of colossal everyday objects, has died at 93
Claes Oldenburg Art: Where to See his Pop Art Sculptures
Claes Oldenburg, veteran of Pop Art known for his whimsical oversized sculptures of everyday objects – obituary