How many 行书 semi-cursive handwriting variants In common mandarin chinese, How i wanted to know how many "known" 行书 semi-cursive handwriting variants are they?

I also wanted to ask two questions (the answer could be different although these two questions "seems" to appear the same) :

1) Which of those "known" 行书 semi-cursive handwriting variants are most popular in use nowadays by common Chinese people?

2) Which of those "known" 行书 semi-cursive handwriting variants has the most comprehensive &amp; complete guide (in terms of number of characters which they construct on how to write the charaters in that variant) ?

Regards
If you want to learn 行书 for practical, I can post some styles for you.

荆霄鹏 



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田英章



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顾仲安



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卢中南



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任平



They are the most famous calligraphers modern times, the most populars are 顾仲安 and 田英章, my favourite is 顾仲安.

Here is more from 顾仲安.

楷书


行书


顾仲安 publish many 字帖, and there are video tutorials, groups on line.