Sources: Ewen Park: 231st Street, Bronx

Books, accessed online via Google Books, January 2016

Kathleen A. McAuley, Gary Hermalyn. "The Bronx."  Arcadia Publishing, Aug 30, 2010.

John Thomas Scharf. "History of Westchester County: New York, Including Morrisania, Kings Bridge, and West Farms, which Have Been Annexed to New York City, Volume 1, Part 1." L.E. Preston & Company, Bronx, NY. 1886.

The City Record: Official Journal, Volume 44, Part 10, New York, 1916. 

Supreme Court Case on Appeal, Volume II. In the Matter of Proving the Last Will and Testament of Maria Louise Ewen. The Coopertown Press, New York.

Documents, accessed through ancestry.com, January 2016

1850 U.S. Census, New York (John Ewen and family)

1855 New York State Census, New York, New York (John Ewen and family)

1857 Military Service Card for Brig. (Gen'l John Ewen)

1857 New York City Directory (John Ewen)

1863 Civil War Soldier Records and Profile (Brig General John Ewen)

1867 New York City Directory (John Ewen)

1906 Newark City Directory (Boto von Koenitz)

1910 U.S. Census, New York, New York (Mary Mackid)

1910 U.S. Census, Hillsboro County, Florida (Boto and Louise von Koenitz, Julia Turmont)

1910 (May) U.S. Passport Application (Boto Van Koenitz)

1910 (September) New York Passenger List for arriving ship Amerika (Boto von Koenitz)

1911 (October) General Emergency U.S. Passport Application (Marie Louise Ewen)

1911 (September) Ontario, Canada Marriage Certificate (Mary Mackid and Gerald Breck Jackson)

1915 New York State Census, New York, New York (Percy Nelson, Louise Ewen)

1916 New York City Directory (Eliza M. Ewen)

1916, 1917 Los Angeles City Directory (Paul von Koenitz)

1919 (September) U.S. WWI Draft Registration (Aubrey Percy Nelson)

1920 U.S. Census, New York, New York (Charles T. Heaslip)

1925 New York State Census, Long Island City Queens (Aubrey Nelson)

1930 U.S. Census, Queens, New York (Aubrey Nelson)

1930 U.S. Census, Franklin Lake, Bergen, New Jersey (Mary Mackid Jackson)

Images

Photos without attribution are by blog author.
Tampa Bay Hotel postcard and Paterson YMCA postcard from blog author's personal collection.
All other images have source information in the captions.

Map

Map Lionel Pincus and Princess Firyal Map Division, The New York Public Library. "Plate 75, Part of Sections 8&13, Borough of the Bronx. [Bounded by Netherland Avenue, W. 235th Street, Spuyten Duyvil Road, W. 236th Street and Broadway.]" The New York Public Library Digital Collections. 1921. 

Newspaper Articles, accessed online January 2016

Binghamton Press, July 23, 1928.

Brooklyn Daily Eagle, February 21, 1909; October 20, 1909.

The Brooklyn Standard Union, September 25, 1921.

Chicago Daily Tribune, December 3, 1909,

Daily Long Island Farmer, Jamaica, New York, February 27, 1911.

Daily Sentinel, Rome, New York, January 22, 1921.

The Evening Telegram, New York, February 28, 1899; December 3, 1909; January 24, 1913.

The Mercury, Hobart, Tasmania, July 21, 1926.

New York Evening Post, August 22, 1922.

New York Herald: April 4, 1909; December 1, 1909; December 2, 1909; December 4, 1909; January 23, 1910; February 24, 1910; August 19, 1911;May 11, 1913.

New York Times: June 27, 1897;  December 1, 1909; May 30, 1911; April 14, 1913; May 11, 1913; February 1, 1920; April 19, 1920; November 17, 1920; January 20, 1921; January 21, 1921; January 25, 1921.

New York Tribune, April 25, 1914; February 3, 1921.

The Philadelphia Inquirer, May 22, 1877.

The Rye Chronicle, September 4, 1909.

The Sun, December 1, 1909; December 3, 1909; November 3, 1912; January 25, 1913.

Syracuse New York Herald 1921.

The Times-Union, Albany, New York, January 26, 1921.

Websites, accessed January 2016

The Bugel, Quarterly Journal of the Camp Curtin Historical Society and Civil War Round Table, Volume 21, Number 2, Summer 2011. Accessed via Camp Curtin Historical Society and Civil War Round Table website.

Internet Broadway Database ("The Dollar Princess," Mary Mackid)

The New Jersey Churchscape (St. Mark's Episcopal Church)

New York City Parks Department, Ewen Park, Bronx. (Please note there is inaccurate information about John Ewen on this site as of January 15, 2016.)

New York State Military Museum and Veterans Research Center: NYS Divison of Military and Naval Affairs. Accessed January 11, 2016

Office of the New York City Comptroller 

Wikipedia ("The Dollar Princess")