2 options
Ideas, methods, or systems.
- Format:
- Book
- Government document
- Series:
- Circular (Library of Congress. Copyright Office) ; 31.
- Circular ; 31
- Language:
- English
- Subjects (All):
- Copyright--United States.
- Copyright.
- United States.
- Physical Description:
- 1 online resource
- Place of Publication:
- Washington, D.C. : Library of Congress, Copyright Office, [1998]
- Notes:
- Title from title screen.
- "September 1998."
- OCLC:
- 49417739
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