Thực đơn
USS Roper (DD-147)Thực đơn
USS Roper (DD-147)Liên quan
USS USS Missouri (BB-63) USS Arizona (BB-39) USS Nevada (BB-36) USS Enterprise (CVN-65) USS Enterprise (CV-6) USS Iowa (BB-61) USS Samuel B. Roberts (DE-413) USS Yorktown (CV-10) USS Indianapolis (CA-35)Tài liệu tham khảo
WikiPedia: USS Roper (DD-147) http://www.homeofheroes.com/valor/1_Citations/03_w... http://www.wlb-stuttgart.de/seekrieg/42-04.htm http://digital.lib.ecu.edu/special/ead/findingaids... http://www.history.navy.mil/danfs/r9/roper.htm http://www.uboat.net/allies/merchants/ships/1566.h... http://www.uboatarchive.net/U-85.htm http://www.uboatarchive.net/U-85RoperActionReport.... https://web.archive.org/web/20070402003758/http://... https://web.archive.org/web/20070929102545/http://... https://web.archive.org/web/20130615200027/http://...