. . "National Gallery of Art (U.S.) Juvenile literature." . . "The nine-ton cat : behind the scenes at an art museum"@en . "The nine-ton cat : behind the scenes at an art museum" . "A behind-the-scenes look at the National Gallery of Art including its private spaces, workshops, offices, and labs where visitors rarely enter."@en . "A behind-the-scenes look at the National Gallery of Art including its private spaces, workshops, offices, and labs where visitors rarely enter." . . . . . . "Juvenile works"@en . "Juvenile works" . "The nine-ton cat behind the scenes at an art museum"@en . . . . . . . .