Here are some short forms that occur on photographs and the regions they refer to:
| Short Form | Meaning | Dates Used | |
| Alta | Alberta, Canada | after 1905 (NWT before) | |
| Ariz | Arizona, USA | ||
| B C | British Columbia | colony to 1871, then Canada | |
| Calif | California, USA | ||
| C E | Canada East | 1841-1867, then Quebec, Canada | |
| Colo | Colorado, USA | ||
| Con | Connecticut, USA | ||
| C W | Canada West | 1841-1867, then Ontario, Canada | |
| Del | Delaware, USA | ||
| Fla | Florida, USA | ||
| Ill | Illinois, USA | ||
| Ind | Indiana, USA | ||
| Ken | Kentucky, USA | ||
| Man | Manitoba, Canada | from 1870 (Red River Settlement before) | |
| Mass | Massachusetts, USA | ||
| Mld | Maryland, USA | ||
| Mich | Michigan, USA | ||
| Minn | Minnesota, USA | ||
| Miss | Mississippi, USA | ||
| N B | New Brunswick | colony to 1867, then Canada | |
| N C | North Carolina, USA | ||
| N D | North Dakota, USA | ||
| Neb | Nebraska, USA | ||
| Nev | Nevada, USA | ||
| Nfld | Newfoundland | colony to 1949, then Canada | |
| N H | New Hampshire, USA | ||
| N M | New Mexico, USA | ||
| N S | Nova Scotia | colony to 1867, then Canada | |
| N S W | New South Wales, Australia | ||
| N W T | Northwest Territories, Canada | at one time, most of western and northern Canada | |
| N Y | New York (state), USA | ||
| Okla | Oklahoma, USA | ||
| Ont | Ontario, Canada | after 1867 | |
| Ore | Oregon, USA | ||
| P E I | Prince Edward Island | colony to 1873, then Canada | |
| Penn | Pennsylvania, USA | ||
| PQ | Province de Quebec, Canada | after 1867 | |
| Que | Quebec, Canada | after 1867 | |
| R I | Rhode Island, USA | ||
| Sask | Saskatchewan, Canada | after 1905 (NWT before) | |
| S C | South Carolina, USA | ||
| S D | South Dakota, USA | ||
| Tenn | Tennessee, USA | ||
| Tex | Texas, USA | ||
| Vmt | Vermont, USA | ||
| Wash | Washington (state), USA | ||
| Wash, D C | Washington (city), District of Columbia, USA | ||
| W V | West Virginia, USA | ||
| Wisc | Wisconsin, USA | ||
| Wyo | Wyoming, USA |