Image: Dan Blocker in Bonanza opening credits episode Bitter Water

Description: Cropped screenshot of Dan Blocker from the television series Bonanza. Episode: "Bitter Water" (1960).
Title: Dan Blocker in Bonanza opening credits episode Bitter Water
Credit: http://www.archive.org/details/Bonanza-BitterWater
Author: Film screenshot
Permission: This work is in the public domain because it was published in the United States between 1923 and 1963 and although there may or may not have been a copyright notice, the copyright was not renewed. Unless its author has been dead for the required period, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (50 pma), Mainland China (50 pma, not Hong Kong or Macao), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See Commons:Hirtle chart for further explanation. Deutsch | English | español | français | italiano | 日本語 | 한국어 | македонски | português | português do Brasil | русский | українська | +/− Listed as being in the public domain [1]
Usage Terms: Public domain
License: Public domain
Attribution Required?: No