 125 of his short stories were set in Fraternity, and they were most popular in the "Post", though George Horace Lorimer was always upset that there was too much character and not enough plot in these stories 

A number of his novels were later turned into films, the most popular of these being "Leave Her to Heaven" (1945), "The Strange Woman" (1946), and "All the Brothers Were Valiant" twice, first in 1923 and again in 1953.His writing traversed a wide range of genres and evinced considerable expertise in a number of divergent fields.Other films based on the writing of Williams are "After His Own Heart" (1919), "Jubilo, Jr" (1927), "Too Busy to Work" (1932), "Small Town Girl" (1936), "Adventure's End" (1937) and "Johnny Trouble" (1957).