384890
In 1948 , after sixty years of research work Koneczny calculated that his written scholarly output encompassed 26 volumes , each of them being 300 to 400 pages long , not to mention more than 300 articles , brochures and reprints .
 Koneczny
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Koneczny