Gilbert, Douglas R., “Railroad Train in Szczecin, Poland,” Digital Collections, accessed December 14, 2025, https://digitalcollections.library.gvsu.edu/document/55034.
Black and white photograph of a train traveling along train tracks in Szczecin, Poland. In the photograph, a sign is posted next to the train tracks that reads, "Przejscie Wzbronione," meaning "Crossing Forbidden." Scanned from the negative.