Julius Cronjaeger, 29 May 1886, Germans to America Passenger Data file, 1850-1897, Ship Werra, departed from Bremen & Southampton, arrived in New York, NY, United States, NAID identifier 1746067, National Archives at College Park, Maryland, FamilySearch [lire en ligne]
Julius Cronjaeger, Brooklyn City Directory 1887-1889, p. 243, FamilySearch [lire en ligne]
