History of the Empire From the Death of Marcus
This work is in the public domain in the United States because it was legally published within the United States (or the United Nations Headquarters in New York subject to Section 7 of the United States Headquarters Agreement) before 1964, and copyright was not renewed.
- For Class A renewal records (books only) published between 1923 and 1963, check the Stanford University Copyright Renewal Database.
- For other renewal records of publications between 1922–1950, see the University of Pennsylvania copyright records.
- For all records since 1978, search the U.S. Copyright Office records.
Works published in 1961 could have had their copyright renewed in 1988 or 1989, i.e. between January 1st of the 27th year after publication or registration and December 31st of the 28th year. As this work's copyright was not renewed, it entered the public domain on January 1st, 1990.
This work may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
It is imperative that contributors ascertain that there is no evidence of a copyright renewal before using this license. Failure to do so will result in the deletion of the work as a copyright violation.
Public domainPublic domainfalsefalse