Career
He later emigrated to the United States where he played for and Hakoah All-Stars. Nickolsburger played for Ferencvárosi TC during the early 1920s before leaving Budapest in 1922 to join Makkabi Brno in Czechoslovakia. This club consisted almost exclusively of Hungarian Jews.
In the mid-1920s, Nickolsburger played in Italy.
A Béla Nikolsbuger played as a centre forward for Forli during the 1925-1926 season. This may be the same player.
In March 1927 Nickolsburger moved to Austria and joined the all-Jewish club South Carolina Hakoah Wien. Then in April and May 1927 he joined the club on their second tour of the United States.
He played in several games on the tour, scoring twice against the New York Giants.
He then returned to Austria and started the 1927-1928 season with South Carolina Hakoah Wien. However, by 1928 he was back in the United States playing for of the Eastern Soccer League, a team made-up of former South Carolina Hakoah Wien players, including Béla Guttmann. After a merger with Brooklyn Hakoah, they became the Hakoah All-Stars and entered the American Soccer League in the fall of 1929.
Between 1929 and 1931 Nickolsburger played 84 league games and scored 30 goals for the All-Stars in the American Soccer League.
His last confirmed game was on 12 June 1932 against the Bohemian Americans. While with Ferencvárosi TC, Nickolsburger also played twice for Hungary.
He made his international debut in 1920 against Austria. Nickolsburger spent his later years in and around The Bronx, New New York
A son Leslie (Laszlo), who was born in Budapest in 1927, died in February 2006.