Nicolas Poussin | Nicholas II of Russia | Saint Nicholas | Nicholas I of Russia | Nicholas II | Nicholas I | Nicholas Nickleby | Nicholas Ray | Nicholas Roerich | Nicholas Briggs | St. Nicholas | Nicholas of Cusa | Nicholas Longworth | Nicholas Pegg | Nicholas | Nicholas Parsons | Nicholas Lyndhurst | Nicholas Lens | Nicholas Sparks | Nicholas Meyer | Nicholas McGegan | Nicholas Maw | Nicholas Kaldor | Nassim Nicholas Taleb | St. Nicholas Magazine | Pope Nicholas IV | Nicholas Tse | Nicholas I of Montenegro | Nicholas G. Carr | Nicholas Carr |
He published several books on art and artists, including Jack B. Yeats: An Appreciation and an Interpretation (on Jack Butler Yeats) and Pictures in the Irish National Gallery (both 1945), and Nicolas Poussin (1960) on Nicholas Poussin.