DescriptionEn-us-curvature.ogg English: Pronunciation of the term curvature in US English, recorded by BirdHopper, 9 July 2017 Date 9 July 2017 Source...
domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. Public domain works must be out...
domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. Public domain works must be out...
media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication...
domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. This file has been identified...
§ 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use. This file has...
This document was released by the U.S. Army Corps of Engineers, the military engineering branch of the United States Army. This tag does not indicate...
domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. This file has been identified...
domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. This file has been identified...