| État | Abréviation |
| Alabama | Ala. |
| Alaska | ne s’abrège pas |
| Arizona | Ariz. |
| Arkansas | Ark. |
| California | Calif. |
| Colorado | Colo. |
| Columbia, District of | D.C. |
| Connecticut | Conn. |
| Delaware | Del. |
| Florida | Fla. |
| Georgia | Ga. |
| Hawaii | ne s’abrège pas |
| Hawaii, Territory of (avant 1959) | T.H. |
| Idaho | ne s’abrège pas |
| Illinois | Ill. |
| Indiana | Ind. |
| Iowa | ne s’abrège pas |
| Kansas | Kan. |
| Kentucky | Ky. |
| Louisiana | La. |
| Maine | Me. |
| Maryland | Md. |
| Massachussetts | Mass. |
| Michigan | Mich. |
| Minnesota | Minn. |
| Mississippi | Miss. |
| Missouri | Mo. |
| Montana | Mont. |
| Nebraska | Neb. |
| Nevada | Nev. |
| New Hampshire | N.H. |
| New Jersey | N.J. |
| New Mexico | N.M. |
| New York | N.Y. |
| North Carolina | N.C. |
| North Dakota | N.D. |
| Ohio | ne s’abrège pas |
| Oklahoma | Okla. |
| Oregon | Or. |
| Pennsylvania | Pa. |
| Rhode Island | R.I. |
| South Carolina | S.C. |
| South Dakota | S.D. |
| Tennessee | Tenn. |
| Texas | Tex. |
| Utah | ne s’abrège pas |
| Vermont | Vt. |
| Virginia | Va. |
| Washington | Wash. |
| West Virginia | W. Va. |
| Wisconsin | Wis. |
| Wyoming | Wyo. |
Consignes de catalogage