His wife was Hilda Walters Emch (1875–1962)[6] and they had two sons, Walter Emch and Arnold Frederick Emch (1899–1989), a well-known management consultant.[7]
Selected publications
Projective groups of perspective collineations in the plane treated synthetically. 1896. (PhD dissertation)
Reise und kulturbilder aus den Vereinigten Staaten von Amerika, insbesondere aus dem "fernen Westen.". 1908.
Emch, Arnold (1913). "Some properties of closed convex curves in a plane". American Journal of Mathematics. 35 (4): 407–412. doi:10.2307/2370404. JSTOR2370404.
Selected topics in algebraic geometry: report of the Committee on rational transformations: Virgil Snyder, Arthur B. Coble, Arnold Emch, Solomon Lefschetz, F. R. Sharpe, Charles H. Sisam. National Research Council (U.S.). 1928.