• [S1] The Ridgewood Herald, Ridgewood, Bergen County, NJ, 13 July 1901 - 25 Jan 1940.
  • [S2] Ellis Island. Online http://www.ellisislandrecords.org/
  • [S3] Wie Was Wie, Dutch Genealogical Database. Online at http://www.wiewaswie.nl/
  • [S4] Heritage Quest. 1900 Federal Census.
  • [S5] Heritage Quest. 1910 Federal Census.
  • [S6] Baas, Marion "Descendants of Cornelius Poelstra." E-mail message from e-mail address. 9 Jan 2006.
  • [S7] Heritage Quest. 1920 Federal Census.
  • [S8] Regional Archives Friesland. Online http://www.tresoar.nl/, Friesland, The Netherlands.
  • [S9] The Bergen Evening Record, Hackensack, Bergen County, NJ.
  • [S10] Regional Archives Zeeland. Online http://www.zeeuwengezocht.nl/, Zeeland, The Netherlands.
  • [S11] Diverse Websites. URL in citation detail.
  • [S12] Fair Lawn and Paramus Clarion, Fair Lawn, Bergen County, NJ.
  • [S13] The News - Beacon, Fair Lawn, Bergen County, NJ.
  • [S14] The Paterson Evening News, Paterson, Passaic County, New Jersey.
  • [S15] The Paterson Morning Call, Paterson, Passaic County, New Jersey.
  • [S16] Het Oosten, Paterson, Passaic County, NJ.
  • [S17] The Shoppers News, Fair Lawn, Bergen County, NJ.
  • [S18] The Ridgewood News, Ridgewood, Bergen County, NJ, 4 Jan 1973 - current.
  • [S19] Heritage Quest. 1880 Federal Census.
  • [S21] 1915 New Jersey State Census. Ridgewood Library, 125 North Maple Ave, Ridgewood, New Jersey.
  • [S22] Heritage Quest. 1930 Federal Census.
  • [S23] 1905 New Jersey State Census. Ridgewood Library, 125 North Maple Ave, Ridgewood, New Jersey.
  • [S24] Social Security Death Index. Online http://ssdi.rootsweb.com/
  • [S26] City Archives Rotterdam. Online http://www.gemeentearchief.rotterdam.nl/, Rotterdam and Surroundings, The Netherlands.
  • [S27] City Directory of Ridgewood, Glen Rock, Midland Park and Fair Lawn, NJ. Irvington, NJ:: Price & Lee.
  • [S28] Vermeer, Rendert "Obit Aldia Vermeer." E-mail message from e-mail address. 2004.
  • [S29] Heritage Quest. 1870 Federal Census.
  • [S30] The Paterson Daily Guardian, Paterson, Passaic County, NJ.
  • [S31] Robert P. Swieringa. Dutch Emigrants to the United States, South Africa, South America and Southeast Asia, 1835-1880 : An Alphabetical Listing of Household heads and Independent Persons. Wilmington, Delaware: SR Scholarly Resources, 1983.
  • [S32] De Telegraaf, Paterson, Passaic County, NJ.
  • [S33] Community News, Fair Lawn, Bergen County, NJ.
  • [S35] Ackerman, Herbert S., Goff, Arthur J.. Valleau Cemetery, Ridgewood, NJ. Englewood, NJ: Bergen County Historical Society, 1944.
  • [S36] Heritage Quest. 1860 Federal Census.
  • [S37] Castle Garden. Online http://castlegarden.org/
  • [S38] Breen, John "Obit Abraham Verduin." E-mail message from e-mail address. 2006.
  • [S39] Denzel, Peter van "Jan en Petronella Klaver." E-mail message from e-mail address. 2005.
  • [S40] Henriette "Gerrit Brink." E-mail message from e-mail address at unknown address. 2006.
  • [S41] California Death Index. Online http://vitals.rootsweb.com/ca/death/search.cgi
  • [S44] Passaic County Clerks Office. Online http://records.passaiccountynj.org/press/Clerk/ClerkHomePB.aspx?op=basic
  • [S46] Hackensack Republican, Hackensack, Bergen County, NJ.
  • [S48] Wierstra, Tymen, letter. 17 May 2010, to GSBC. Ridgewood Library; 125 North Maple Ave, Ridgewood, New Jersey.
  • [S49] The Herald - News (Passaic County), Paterson, Passaic County, NJ.
  • [S50] 1895 New Jersey State Census. Ridgewood Library, 125 North Maple Ave, Ridgewood, New Jersey.
  • [S51] 1885 New Jersey State Census. Ridgewood Library, 125 North Maple Ave, Ridgewood, New Jersey.
  • [S52] The Ridgewood Herald News, Ridgewood, Bergen County, NJ, 1 Feb 1940 - 28 Dec 1972.
  • [S53] The Ridgewood Sunday News, Ridgewood, Bergen County, NJ, 1923 - 1996.
  • [S64] Regional Archives Friesland. Online http://www.allefriezen.nl/, Friesland, The Netherlands.
  • [S67] Regional Archives Groningen. Online http://www.allegroningers.nl/, Groningen, The Netherlands.
  • [S70] Ancestry. 1940 Federal Census.
  • [S71] Find-A-Grave. Online http://www.findagrave.com/