Armstrong, W., & Lane, H. P. (1906). Letter from Walter Armstrong, Director of the National Gallery of Ireland, to Hugh Lane asking when the picture 'Hearts are Trumps' would be required at a Belfast exhibition and discussing insurance for it and permission from the Trustees.

Armstrong, Walter, and Hugh Percy Lane. Letter from Walter Armstrong, Director of the National Gallery of Ireland, to Hugh Lane Asking When the Picture 'Hearts Are Trumps' Would Be Required at a Belfast Exhibition and Discussing Insurance for It and Permission from the Trustees. 1906.