You may find various copies/versions of Taiwan Constitution online. It is important to use an official version or, where possible, an official and reliable translation. The links below to a Chinese version of the Constitution and its additional articles are from the Laws & Regulations Database of the Republic of China, provided by the Judicial Yuan.
The following English versions of the Constitution are from the Laws & Regulations Database of the Republic of China, provided by the Judicial Yuan:
For constitutional history and constitutional law materials, check out these resources: