Julius Meyer, Georg Kaspar Nagler, Wilhelm Schmidt, Hermann Lücke, Hugo von Tschudi: Beard. James Henry Beard. In: Allgemeines Künstler-Lexikon. Band3: Giambattista Barbieri–Giuseppe Bezzuoli. Wilhelm Engelmann, Leipzig 1875, S.232 (Textarchiv – Internet Archive – hier ist fälschlich 1815 als Geburtsjahr angegeben).
Ruth Beard, John Gunn Baird: A genealogy of the descendants of Widow Martha Beard of Milford, Conn. Emerson Pub. Co., Ansonia, Conn. 1915, S.41, 249. Children of James and Mary Caroline (Carter) Beard (Textarchiv – Internet Archive).
Ruth Beard, John Gunn Baird: A genealogy of the descendants of Widow Martha Beard of Milford, Conn. Emerson Pub. Co., Ansonia, Conn. 1915, S.28, 143. Children of James and Harriet (Wolcott) Beard – 249. James (Textarchiv – Internet Archive).
Art in Cincinnati. In: William W. Williams: Magazine of Western History. Band IV: May, 1886 – October, 1886. Cleveland/Ohio 1886, S. 488 (Google Books)