• 1 · Religion and Magic
• 2 · Nature
• 3 · Human Being, Man in General
• 4 · Society, Civilization, Culture
• 5 · Abstract Ideas and Concepts
• 6 · History
• 7 · Bible
• 8 · Literature
• 9 · Classical Mythology and Ancient History

• Top
• 4 · Society, Civilization, Culture
• 47 · crafts and industries
• 47E · organization of craft and industry
• 47E2 · corporative organization, guild

47E24 · control of quality

• 47E241 · officers trusted with control of quality
• 47E242 · hall-mark (control of quality)
• 47E24(+0) · control of quality (+ variant)