[aa] Catilina of Portugal, and Maria of Austria, both at the Prado.
[ab] Westminster Coll., London.
[ac] New York Public Library.
[ad] See Earl of Pembroke, Wilton Coll., Countess of Devonshire, Chatsworth, and Philip le Roy, Wallace Coll., all in England.
[ae] See Chase's Master Roland, private Coll., N. Y.; and Manet's Boy with a Sword, Met. Museum, N. Y.
[af] Munich Gallery.
[ag] Venus and the Organ Player, Prado.
[ah] Viscountess Crosbie, Tennant Coll., London.
[ai] Dr. Nathaniel Spens, Royal Co. of Archers, Edinburgh.