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Bolckow: The Mona Lisa by Leonardo da Vinci, Louvre, Paris, France
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Bolckow: "a new device for the imagination" Leonardo da Vinci
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Bolckow: The Infant Christ and Saint John Embracing c.1500-30 - The Queen's Drawing Room, Kensington Palace, London.
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Bolckow: York City Art Gallery, York
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Bolckow: York City Art Gallery
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Bolckow: York City Art Gallery
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Bolckow: York City Art Gallery
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Bolckow: François I after Joos van Cleve (c.1480-1540/1) c 1540-1560