"United States Germans to America Index, 1850-1897," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KDSC-RJ4 : accessed 11 Oct 2014), Aug. Schmidtmann, 13 Jun 1853; citing Germans to America Passenger Data file, 1850-1897, ARC identifier 1746067; Ship Blucher, departed from Bremen, arrived in Baltimore, Baltimore, Maryland, United States, National Archives and Records Administration, Washington D.C.