John Ruskin: Sulphur-crested cockatoo 1877

John Ruskin: Sulphur-crested cockatoo 1877

John Ruskin: Rouen. Cathedral of Notre Dame. The Lady Chapel 1854

John Ruskin: Rouen. Cathedral of Notre Dame. The Lady Chapel 1854

John Ruskin: Stones of Venice: Ca' Bernardo Mocenigo, Capital of Window Shafts

John Ruskin: Stones of Venice: Ca' Bernardo Mocenigo, Capital of Window Shafts

Susie Beever: Poppy

Susie Beever: Poppy

John Ruskin: Shell spiral

John Ruskin: Shell spiral

Severn Family: Poplar trees

Severn Family: Poplar trees

John Ruskin: Eve Book, page 5 1874

John Ruskin: Eve Book, page 5 1874

John Ruskin: Thun. Castle towers 1854

John Ruskin: Thun. Castle towers 1854

John Ruskin: Alpine watermill

John Ruskin: Alpine watermill