Final answer:
Legal codes have not been found from the Shang period, contrasting with the detailed legal systems like the Code of Hammurabi from Babylon. Later Chinese dynasties, such as the Tang, developed more formalized legal codes.
Step-by-step explanation:
The specific codes that have not been found from the Shang period are legal codes (A) Legal. The Shang dynasty is known for its advances in bronze, astronomy, and divination, with evidence provided by archaeological finds such as oracle bones, but there is a lack of discovered comprehensive written legal code from this period. Comparatively, records such as the Code of Hammurabi provide evidence of detailed legal systems from other ancient civilizations like Babylon. Additionally, codes such as the Tang Code from later Chinese history exemplify how later dynasties developed more systematized legal frameworks.