| LC control no. | n 2011029358 |
|---|---|
| Uniform title heading | 21 grams (Motion picture) |
| Variant(s) | Twenty one grams (Motion picture) 21 gramos (Motion picture) Veintiun gramos (Motion picture) |
| Found in | Tríptico cinematográfico, 2010: t.p. (21 gramos) Internet movie data base, May 2, 2011: (21 Grams; 2003; directed by Alejandro González Iñárritu) |
 |  |  |