Found in articles
2011-12-06. ^ American FactFinder - Munising, Michigan - accessed 2011-12-06. ^ Clarke Historical Library, Central Michigan University, Bibliography on Alger
Waverly, PC-1225) PC-1226 (USS PC-1226) PC-1227 (USS PC-1227) マニシング (USS Munising, PC-1228) ワーセオン (USS Wauseon, PC-1229) グリネル (USS Grinnell, PC-1230) ティプトン