Information on the Petermans was taken from the following sourses
- Family history. In particular, from Helen Land and Bud Land.
- Births, marriages, and deaths from the civil records of the State of New Jersey, State Archives, Trenton,
- Births from the New York City Archives, Chambers Street, New York City.
- Births, marriages, and deaths from the the New York State Archives, Albany, New York
- St Matthew's German church, Hoboken New Jersey
- Hoboken and Jersey City Libraries for general information about Hoboken and for the
Hoboken/Jersey City directories.
- Flower Hill Cemetery, North Bergen, New Jersey
- Federal Censuses available at the National Archives Records Administration (NARA), Varrick
Street, New York City
- 1885 and 1895 New Jersey Censuses available at the New York Puplic Library, 5th Avenue, New York City
- 1905 New Jersey Census available through LDS.
- Naturalization Papers available at the Court House, Jersey City, New Jersey