A Mountain Valley with a Waterfall by Glover, John, Private Collection (NGA Former Owner), O'Neal, William B., Professor, National Gallery of Art, O'Neal, William B., Estate of, Agnew & Sons, Ltd., Thomas, Sherfield, Lord — VisualArtsDB

A Mountain Valley with a Waterfall by Glover, John, Private Collection (NGA Former Owner), O'Neal, William B., Professor, National Gallery of Art, O'Neal, William B., Estate of, Agnew & Sons, Ltd., Thomas, Sherfield, Lord — VisualArtsDB