Old Live Oak Tree and Bluebonnets on the West Texas Military Grounds, San Antonio – Robert Julian Onderdonk Leave a Comment / Paintings / By admin Painter: Robert Julian Onderdonk Start Date: 1919 Date of art creation: 1920 Art movement: Impressionism Genre of painting: landscape Content: flowers-and-plants, forests-and-trees (Visited 47 times, 1 visits today)