He died on December 28 at Mount Sinai Hospital , and was buried in the Green River Cemetery , East Hampton , New York .
On December 19 , 1963 , Liebling was hospitalized for bronchopneumonia .
Liebling died on December 28 at Mount Sinai Hospital , and was buried in the Green River Cemetery , East Hampton , New York .
On December 19 , 1963 , Liebling was hospitalized for bronchopneumonia .