using System;

using HtmlAgilityPack;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        var hw = new HtmlAgilityPack.HtmlWeb();

        var doc = new HtmlDocument();

        doc = hw.Load("https://www.parlament.gv.at/PAKT/VHG/XXVII/NRSITZ/NRSITZ_00001/fnameorig_796482.html");

        var books = doc.DocumentNode.SelectNodes("//*[contains(@class, 'WordSection')]");

        Console.WriteLine(books.Count);

        var output = new StringBuilder();

        foreach(HtmlNode book in books)

            {

                output.Append(book.OuterHtml);

            }

        var doc2 = new HtmlDocument();

        doc2.LoadHtml(output.ToString());

        Console.WriteLine(doc2.DocumentNode.InnerHtml);

    }

}