U.S. Merchant Marine Museum http://www.netdirect.net/anderson/merchant.htm Merchant Seamen: Registers of Service 1913-1941 http://www.pro.gov.uk/leaflets/ri2197.htm Merchant Seamen http://ourworld.compuserve.com/homepages/CT_Watts/merchsea.htm Sgt. Floyd Riverboat Museum http://lewisandclarktrail.com/section1/iowacities/SiouxCity/FloydMuseum/ Maritime and Naval Museums: Iowa, USA http://pc-78-120.udac.se:8001/www/nautica/Museums/MMUSia.html These museums and Web sites list additional resources, books, and periodicals you can use to search for records of your ancestors.