Mandatory deposit of copies or phonorecords for the Library of Congress.
| Format: | Government Document Serial |
|---|---|
| Language: | English |
| Published: |
Washington, DC :
U.S. Copyright Office, Library of Congress
|
| Series: | Circular (Library of Congress. Copyright Office) ;
7D. |
| Subjects: | |
| Online Access: | Scroll down to 7d to access current issue |
| Published: | Print began in 1981? |
|---|---|
| Physical Description: | 1 online resource. |
| Publication Frequency: | Irregular |