U.S. Copyright Office, Library of Congress
COLC
Part of Library of Congress
Content Hash:
b3e139656106f80ffb46f81682ef7465
MD5 checksum of all regulatory content as of Oct 15, 2025
Regulatory Word Count Over Time
Total words across all chapters managed by this agency
Earliest:
131,512 words
(Jan 01, 2017)
Latest:
1,499,272 words
(Oct 15, 2025)
Change:
+1,367,760
(1040.0%)
CFR Chapters
Title 37, Chapter II
CHAPTER II - U.S. COPYRIGHT OFFICE, LIBRARY OF CONGRESS