4 · Society, Civilization, Culture
49 · education, science and learning
49E · science and technology
49E3 · chemistry
49E39 · alchemy
49E393 · alchemistic equipment
49E3931 · alchemistic vessels
49E39312 · flasks (cucurbitae)
49E39312(...) · flasks (cucurbitae) (with NAME)
49E39312(ROSENHUT) · flasks: rosenhut