Blue sky thinking for the country’s paintings | Letters

Readers respond to an article outlining two radically different plans for civic art collections; what inspired Hockney and where his work should be displayed; and the ‘lost’ CaravaggioIt is a sad irony that Hertfordshire county council should place the bulk of its art collection under the hammer (The big question: how many paintings can you fit on a wall?, 2 March) two days before an exhibition (Barbara Hepworth: artist in society 1948-53) opens in St Albans to celebrate her connecti