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HathiTrust Digital Collection at Colby: SEARCH PUBLIC DOMAIN WORKS ONLY

HathiTrust is a partnership of academic & research institutions, offering a collection of millions of titles digitized from libraries around the world.

WHAT IS INCLUDED IN PUBLIC DOMAIN?

Public Domain generally consists of:

  • A work of authorship is in the “public domain” if it is no longer under copyright protection or if it failed to meet the requirements for copyright protection. Works in the public domain may be used freely without the permission of the former copyright owner. [U.S. copyright Office]
  • U.S. works published before 1923
  • U.S. federal documents

PUBLIC DOMAIN WORKS BY SUBJECT IN HATHITRUST

PUBLIC DOMAIN WORKS BY DATE IN HATHITRUST

Date range Count Percent
2000-2009 28,911 1.64
1990-1999 46,787 2.65
1980-1989 59,692 3.38
1970-1979 46,272 2.62
1960-1969 42,660 2.42
1950-1959 45,700 2.59
1940-1949 36,965 2.09
1930-1939 34,781 1.97
1920-1929 101,073 5.72
1910-1919 242,746 13.75
1900-1909 222,877 12.62
1890-1899 158,486 8.98
1880-1889 115,374 6.53
1870-1879 89,502 5.07
1860-1869 103,907 5.89
1850-1859 87,765 4.97
1840-1849 64,866 3.67
1830-1839 49,562 2.81
1820-1829 37,337 2.11
1810-1819 21,586 1.22
1800-1809 23,871 1.35
1700-1799 71,970 4.08
1600-1699 21,959 1.24
1500-1599 8,834 0.50
Pre-1500 2,108 0.12

Information taken from http://www.hathitrust.org/visualizations_dates_pd

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