Family papers include letters from Edward N. Trump to his father, Charles Newbold Trump (1881-1898); correspondence between Edward N. Trump and his son, Charles C. Trump (1898-1945); correspondence between Charles C. Trump and his sons Peter Bulley Trump and Charles Edward Trump (1942-1956), his wife Rachel Bulley Trump, and his sister Marjorie Trump; correspondence and legal documents related to the estate of Edward N. Trump (1944-1946); and correspondence and financial documents related to Edward N. Trump's management of the financial affairs of his aunt and uncle, Marie Louise and Charles A. Lasar while they were in Europe (1902-1930).

Also included are genealogical records, photographs, clippings, legal and financial documents including income tax and banking records, and student papers. Business papers concern Edward and Charles Trump's investments, developments of patents, employment by various companies including the Solvay Process Company (1885-1936), the Dolomite Marine Corporation (1934-1941), the Sanitary Metal Cap Corporation (1935-1938), Marco Company, Inc. (1940-1943), and the F.C. Haub Company (1951-1954) and includes correspondence, photographs, drawings, speeches, patents, notebooks, blueprints, and articles.