Keywords: Philipp Peter Roos - Landscape with a Waterfall - WGA20039.jpg firsthalf other date century 17 Oil on canvas size cm 97 82 Institution Hermitage Museum object history credit line accession number WGA link 20039 http //www wga hu/art/r/roos/waterfal jpg http //www wga hu/html/r/roos/waterfal html PD-old-100 painting landscape German 1601-1650 Philipp Peter Roos German paintings in the Hermitage Landscape paintings in the Hermitage 17th-century landscape paintings WGA form painting WGA type landscape WGA School German WGA time period 1601-1650 |