Basic Search - Registration Number
- Works registered before 1978 may be found only in the Copyright
Office Card Catalog.
- All Copyright registration numbers must have a total of 12 characters
- For published works type the 2-letter prefix followed by 10 numbers. For
unpublished works type the 3-letter prefix followed by 9 numbers
- Omit spaces and hyphens when typing the number
- Add leading zeroes to the numeric portion of the registration number
| To retrieve . . . |
Type. . . |
| SR-320-918 |
sr0000320918 |
| VAu-598-764 |
vau000598764 |
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