Articles published in Eurohistory Journal include: The Marriage of Prince Arthur of Connaught and the Duchess of Fife, An Imperial Wedding in Washington, D.C., Young Affie (2 parts), Prince Louis Ferdinand of Prussia and Grand Duchess Kira of Russia wedding, The Diamond Wedding Anniversary of King Michael and Queen Anne of Romania, Prince Tomislav of Yugoslavia, Crown Prince Alexander of Yugoslavia celebrates his 60th birthday, the Margraves of Baden: Berthold and Theodora, Obituary: Princess Luise of Prussia (1917-2008), A Silver Wedding Anniversary in Belgrade, the 90th Birthday of King Michael of Romania, the Counts of Gleichen (3 parts), the Wedding of Princess Viktoria Luise of Prussia and Prince Ernst August of Hanover, Landgraf Moritz of Hesse (1926-2013); Prince Maurice of Battenberg, Princess Frederika of Hanover, the Spanish royal marriages in 1935, Princess Augusta of Cambridge (Grand Duchess of Mecklenburg-Strelitz), Alex Werhner, Timeline for a Rescue: Nicholas II; Ernst August vs Ernst August.
Royalty Digest: Baby Bee, Queen Sophie of Greece 'One of the Best of Women,' A Bride for Boris, Anita Rhinelander Stewart -An American Princess, Queen Adelaide, Princess Olga of Greece and Denmark (Princess Paul of Yugoslavia), The Royal Marriage Act, Princess Edward of Saxe-Weimar, Remembrance: Countess Mountbatten of Burma.
Majesty Magazine: Girl Power, The Ones that Got Away (2 parts), Trials and Tribulations (Princess Arthur of Connaught) Once Upon a Time (George and Marina's wedding), Cold Climate, All You Need is Love (Willem-Alexander and Maxima), 2 part The Exiles, Girl Talk, Family Tree
Berkswell's The Royal Year: from the mid-80s to late 1990s covered British & foreign royal visits to the US including the Prince and Princess of Wales visit to D.C. (1985), the Duke and Duchess of York in Connecticut, several visits of the Princess of Wales to New York City and D.C., Queen Elizabeth's II state visit, Queen Margrethe of Denmark's state visit; visits of the Duke and Duchess of Gloucester, together and separately to New York and D.C., the Duke and Duchess of Kent in New York and Maryland, Prince and Princess Michael of Kent, separately and together in New York and D.C., Princess Margaret, attending the ballet in New York and at Kennedy Center, the Prince of Asturias' graduation from Georgetown University, the King and Queen of Spain in New York and Washington, D.C., the King and Queen of Sweden in New York and D.C., and the Queen alone on engagements in New York and Washington, D.C., Queen of Norway in Washington, D.C., Crown Princess Mette Marit and Crown Prince Haakon of Norway (separate trips) in Washington, D.C., the Princess Royal and Princess Alexandra visits as well.
Available on Kindle: The Gleichens - the Unknown Royal Cousins
Media appearances: CNN, NBC, ABC, BBC, CBC, Sky News, Today.com, Dateline: NBC, WUSA, WRC, numerous radio stations in the USA, Canada & the UK. Interviewed by the Washington Post, The Times, The Daily Telegraph, the Washington Times, USA Today, the Today Show, Town & Country, Harper's Bazaar, Royal Central, Agence-France Press television, Voice of America, Business Insider, Hello, Time magazine and other television, radio, print and web media in the USA & the UK. In November 2017, Mrs. Koenig was one of several experts for the Schloss Kronberg episode of Wartime Crime on the American Heroes Channel.
She lives in Northern Virginia.