Earliest evidence of publication is in Middleton, Jesse; Landon, Fred (1927) The Province of Ontario: A History, 1615–1927, Toronto: Dominion Publishing Company, pp. 438−439 . No copyright renewal or notice provided. Book not published in the United States.
Rittinger died on 29 July 1915, so this image was PD in Canada in either 1977 (1927 + 50 years) or 1990 (1915 + 75 years), making this image PD in Canada on the URAA date (1 January 1996).
Public domainPublic domainfalsefalse
This Canadian work, of which the author or authors are unknown, is in the public domain in Canada because:
It was published before January 1, 1970; or
It was created before January 1, 1945; or
75 years have passed since the end of the calendar year of its creation, without it ever having been published while still in copyright.
This work is in the public domain in the United States because it meets three requirements:
it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country (Canada) on the URAA date (1 January 1996).
For background information, see the explanations on Non-U.S. copyrights. Note: This tag should not be used for sound recordings.