1880, architecture, art, book, borobudur, bride, bridge, bubbles, candles, capital, castle, cat, cathedral, cell, cerralbo museum, chandelier, childs, church, clouds, column, concrete, employer, españa, factory, fog, food, fresco, golden age, gothic, gray sky, guy, haze, house, indonesia, jars, java, labours, labyrinth, lake, landscape, madrid, marx and engels, mountain, night, octopus, owner of the factories and steamers, painting, pattern, people, picture, plant, proletariat, rays, robert koehler, rome, salamanca, salamanca catedral, sky, smoke, solar, spain, stairs, still life, street, strike, sunset, supplies, temple, the man with the stone, the people, the strike, town, tree, wall, weapon, workers, xix