DescriptionU.S. Copyright Office circular 66.pdf English: Circular from the U.S. Copyright Office. For an overview, see U.S. Copyright Office circulars. Date...
DescriptionU.S. Copyright Office circular 62a.pdf English: Circular from the U.S. Copyright Office. For an overview, see U.S. Copyright Office circulars. Date...
DescriptionU.S. Copyright Office circular 61.pdf English: Circular from the U.S. Copyright Office. For an overview, see U.S. Copyright Office circulars. Date...
DescriptionU.S. Copyright Office circular update guide.pdf English: Circular from the U.S. Copyright Office. For an overview, see U.S. Copyright Office circulars...
DescriptionU.S. Copyright Office circular 92, Tıtle 17 of the United States Code, December 2016.pdf English: From https://www.copyright.gov/title17/ (PD-USGov):...
Archive Internet Archive ID: descriptivecircu00edwa described at URL: https://archive.org/download/descriptivecircu00edwa/descriptivecircu00edwa.pdf...
Internet Archive ID: anatomicalmemoir02gooduoft described at URL: https://archive.org/download/anatomicalmemoir02gooduoft/anatomicalmemoir02gooduoft.pdf...
Archive Internet Archive ID: illustratedcatal02harv described at URL: https://archive.org/download/illustratedcatal02harv/illustratedcatal02harv.pdf...
United States National Museum Bulletin (no. 64) (US GPO, 1909) (IA bulletinunitedst641909unit).pdf A Critical Summary of Troost’s Unpublished Manuscript...
Archive Internet Archive ID: irrigationmanual00butl described at URL: https://archive.org/download/irrigationmanual00butl/irrigationmanual00butl.pdf...