TY - BOOK ED - Library of Congress. TI - Deadlines for replying to Copyright Office correspondence T2 - Circular PY - 2017/// CY - Washington. DC PB - U.S. Copyright Office, Library of Congress KW - Copyright KW - United States KW - fast N1 - CRDP Program record UR - https://purl.fdlp.gov/GPO/gpo115466 ER -