Every decade of American filmmaking from the 1920s to the 1980s is represented in the 25 motion pictures named on Thursday to the National Film Registry of the Library of Congress. The selections were made as part of a program aimed at preserving the nation's movie heritage.

This year's picks bring to 475 the number of motion pictures in the registry.

Founded in 1800, the Library of Congress is the nation's oldest federal cultural institution. Visit online, at www.loc.gov.

The 2007 films

Back to the Future (1985), directed by Robert Zemeckis; written by Zemeckis and Bob Gale; starring Michael J. Fox and Christopher Lloyd. Bullitt (1968), directed by Peter Yates; starring Steve McQueen, Jacqueline Bisset and Robert Vaughn. Close Encounters of the Third Kind (1977), produced by Steven Spielberg; starring Richard Dreyfuss. Dance, Girl, Dance (1940), directed by Dorothy Arzner; starring Lucille Ball and Maureen O'Hara. Dances With Wolves (1990), directed by and starring Kevin Costner. Days of Heaven (1978), directed by Terrence Malick; starring Richard Gere, Brooke Adams and Sam Shepard. Glimpse of the Garden (1957), directed by Marie Menken. Grand Hotel (1932), directed by Edmund Goulding; starring Greta Garbo, Wallace Beery, John and Lionel Barrymore, and Joan Crawford. The House I Live In (1945), directed by Mervyn LeRoy; starring Frank Sinatra. In a Lonely Place (1950), directed by Nicholas Ray; starring Humphrey Bogart and Gloria Grahame. The Man Who Shot Liberty Valance (1962), directed by John Ford; starring Jimmy Stewart, John Wayne and Lee Marvin. Mighty Like a Moose (1926), directed by Leo McCarey; written by and starring Charley Chase. The Naked City (1948), directed by Jules Dassin; produced by Mark Hellinger; written by Malvin Wald. Now, Voyager (1942), starring Bette Davis, Claude Rains and Paul Henreid. Oklahoma! (1955), based on the Rodgers and Hammerstein play. Our Day (1938), directed, produced and written by and starring Wallace Kelly. Peege (1972), directed by Randal Kleiser. The Sex Life of the Polyp (1928), starring Robert Benchley. The Strong Man (1926), directed by Harry Edwards; written by Frank Capra; starring Harry Langdon. Three Little Pigs (1933), produced by Walt Disney. Tol'able David (1921), directed by Henry King. Tom, Tom the Piper's Son (1969-71), directed, produced, written and edited by Ken Jacobs. 12 Angry Men (1957), directed by Sidney Lumet; produced by and starring Henry Fonda; adapted by Reginald Rose from his stage play. The Women (1939), directed by George Cukor; based on the play by Clare Boothe Luce; starring Norma Shearer, Joan Crawford, Rosalind Russell, Mary Boland, Paulette Goddard and Joan Fontaine. Wuthering Heights (1939), directed by William Wyler; produced by Samuel Goldwyn; adapted from the work of Emily Bront; starring Laurence Olivier and Merle Oberon.