Hey Artiom
Will look through my books for any other mention of your great grandfather.
Contact Michal at - Polish Arms <contact@polisharms.com> he is in Poland
and was able to obtain for me the books listed which are still in print.
Waleczne Skorpiony : z dziejów Pulku 4 Pancernego "Skorpion" (1942-1947) / Wladyslaw Tylka. T. 1.
Waleczne Skorpiony : barwa Pulku 4 Pancernego "Skorpion". T. 2 / Marek Wronski.
Waleczne Skorpiony : barwa Pulku 4 Pancernego "Skorpion". T. 3 / Marek Wronski.
They are also listed here as well for your reference.
https://opacwww.bs.katowice.pl/32101...arw.html?ln=EN
Chris......
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