English: John Shahn, Peter Schickele, Dave Soifer, and Robin Christenson in image from Swarthmore College yearbook Halcyon 1957. Some have musical instruments.
Date
Source
Halcyon 1957 (Swarthmore college yearbook)
Author
Halcyon yearbook staff
Licensing
Public domainPublic domainfalsefalse
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.