Despite his renown, Alfred Hitchcock’s earliest work is known to very few. Aficionados are aware of his films from the early 1930s, which he directed in his native England. And nearly everyone knows at least some of the films he made in the United States starting in the 1940s, many of which are now counted among the classics. But as early as the 1920, Hitcock was directing silent films — only nine of which...