Author Oleh Iwanusiw discusses how he put together and published his book, "Church in Ruins", 1987, Shevchenko Scientific Society. This book describes the history of the Ukrainian churches of the Eparchy of Peremyshl, which is currently within the borders of Poland. It includes an extensive collection of photographs, most of which were taken by the author himself during his travels to this region. A digital copy of the book is available here.
https://archive.org/details/cerkva-v-rujini-iwanusiw-1987