This document lists the names and locations of various historical organ cases found in museums and churches throughout Europe, including sites in France, Spain, Germany, the Netherlands, and Denmark. Locations range from famous cathedrals like Notre Dame in Paris to smaller rural churches. The list includes over 50 organ cases from the 12th century to present day spanning regions like Provence, Aquitaine, Occitanie, Hauts-de-France, and Scandinavia.