After his death, Falter's widow, Mary Elizabeth Falter, donated several paintings, personal papers, and memorabilia from his studio to the Nebraska State Historical Society. The material reflects Falter's career from 1930 to 1982.
Following his demise, Falter's spouse, Mary Elizabeth Falter, presented several artworks, personal documents, and memorabilia from his workshop to the Nebraska State Historical Society. The contents encompass Falter's professional career spanning 1930 to 1982.