This website allows you to enter Chinese characters (simplified or traditional) to search for calligraphy references. A range of different examples of the character in question is shown (depending on what character you enter, of course). Clicking on each image gives you a specific reference to where that piece of calligraphy is from. Example image shows the entry for 龙/龍.
書法字典/书法字典 (Online calligraphy dictionary)
9610.com/zidian/
Submitted by Olle Linge on 04 November, 2020 17:53
Beginner Intermediate Advanced Vocabulary Resource-highlights Tools-and-Apps Web Dictionary Simplified-Characters Traditional-Characters Handwriting Characters

05 November, 2020 03:56
This site can’t be reached9610.com’s server IP address could not be found.
05 November, 2020 08:43
Not sure what's going on here. It works on my computer, but not on my phone. When I turned off the VPN I use on my phone, it worked. However, both the location didn't change, both connections were made from Stockholm. Anyway, the site is there, but can apparently be tricky to reach!