Triceratops

Title: Animals of the past: an account of some of the creatures of the ancient world Issue 4 of Handbook series. Author: Frederic Augustus Lucas. Edition 6. Publisher: American Museum Press, 1922. Original from: Harvard University. Digitized: Apr 23, 2008. Length: 207 pages

Description: Triceratops - 1904.jpg. 1904 illustration by Charles R. Knight (1874 - 1953). Date: 1902(1902). Source: "Animals of the past" Author: Frederic A. Lucas.

This Image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, where Works published prior to 1923 are copyright protected for a maximum of 75 years. See Circular 1 "COPYRIGHT BASICS" PDF from the U.S. Copyright Office. Works published before 1923 (in this case 1902) are now in the public domain.