A list of Birch Bark texts : <a href="http://gramoty.ru/index.php?key=bb&date%5B%5D=all&city%5B%5D=all&excav%5B%5D=all&safety%5B%5D=all&cath%5B%5D=all" rel="nofollow">http://gramoty.ru/index.php?key=bb&date%5B%5D=all&city%5B%5D...</a>