This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Grguo vector.svg Gwoyeu Romatzyh Note the spelling differences highlighted in red for each tone File Grguo Pierre Rudloff Chinese writing Comparisons of different sets of Chinese characters
Page 2023 Free-images.com. All images are Public Domain