U.S., Obituary Collection, 1930-Current
People: Margaret A Gerngross, Private, George Joseph Franz and 6 others.
U.S. City Directories, 1822-1995
People: Walter Harry Petri, Amil Harry Petri, Carolina Burkhard and 14 others.
1910 United States Federal Census
People: Mary Anna Gerngross, Walter Harry Petri, Amil Harry Petri and 24 others.
1900 United States Federal Census
People: Mary Anna Gerngross, Amil Harry Petri, Louisa Katharine Barbey and 18 others.
1920 United States Federal Census
People: Mary Anna Gerngross, Walter Harry Petri, Amil Harry Petri and 22 others.