Cologne: From the Diary of Ray and Esther is a 1939 short documentary film which deals with the German-American community on the eve of World War II. It was filmed and directed by amateur filmmakers Esther Dowidat and Raymond Dowidat, residents of Cologne, Minnesota.In 2001, this fourteen-minute film was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically or aesthetically significant".