From there, you can download the scanned volumes as PDFs for free.
It seems you are looking for a PDF version of the (Lives of the Saints), likely in the Church Slavonic, Russian, or Serbian tradition. zitija svetih pdf
If you need a (e.g., September–November) or a translation into a modern language , let me know, and I can refine the search for you. From there, you can download the scanned volumes