Editors

Self-portrait, from https://commons.wikimedia.org/wiki/File:Dalton_Kaulak,_autorretrato.jpg The author died in 1933, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1928.

Photo from New Philippines: A Book on the Building Up of a New Nation (1934), by Felixberto Bustos and Abelardo Fajardo (p. 194): https://www.elib.gov.ph/downloadfile.php?uid=127cbe400dd3962fa4f41ea564af0120 Original file: https://ibb.co/qWmpJyT or https://imgbox.com/eUYvVckD or https://pixhost.to/show/180/355669518_delfin-gumban.jpg This work is in the public domain because it was published in the United States between 1928 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. 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 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

By Larry D. Moore, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=36754484