DescriptionHannah and Heinrich Blücher, New York.jpg	English: Hannah and Heinrich Blücher in New York, ca. 1950
Date	1950
Source	American Memory
Author	Unknown authorUnknown author
Other versions	This file has an extracted image: Hannah and Heinrich Blücher, New York (cropped).jpg.

This image is believed to be in the Public Domain for the following reasons. It is an unpublished archival historic photograph, of unknown authorship created more than 25 years ago, without copyright information. It is provided by American Memory which attempts to provide copyright information where available, although does not guaranty its accuracy "despite extensive research", and that unpublished work "has been dedicated to the public".

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. العربية ∙ беларуская (тарашкевіца) ∙ čeština ∙ Deutsch ∙ Ελληνικά ∙ English ∙ español ∙ français ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−