Gould, John and Sharpe, Richard Bowdler. The birds of New Guinea and the adjacent Papuan islands, including many new species recently discovered in Australia. London, 1875-88. Five volumes large folio, with 320 hand-coloured lithographed plates, contemporary dark green morocco, sides wiith wide gilt borders, spines fully gilt, gilt edges, by riviere. Occasional foxing of text leaves, a few plates a little affected. A fine set of Gould's last major monograph, completed after his death by Bowdler Sharpe, including the spectacular plates of birds of paradise and the newly identified Australian species.