Published on August 27, 2014
WHAT ARE RESOURCEFILE S? Resource les are created from the contents of the real and virtual working reference and pub - lication les of Art MacKay and are made available for reference purposes. They contain docu - ments, drawings, photographs and other resources created and accumulated over a 50 year period, including public domain materials as well as materials with copyrights held by Art Mac - Kay and others. Since online resources come and go, many documents have been converted to PDFs to preserve their contents or to provide the reader with a link to important online materials ... links are still active. Copyright requirements are specied for each item as available. Entire les composed of physical documents, books, photos, cds, etc. are available and sold separately. Images marked with a green check mark can be used in your personal work, but you may not resell these images or use them for commercial purposes without written permission from the owner.. Unless otherwise indicated, copyright is held by Art MacKay or images are public domain. Attribution should be given in published or distributed works. Images without a green check mark are largely Public Domain, but may require permission from the owners. Follow the links to determine rights. Images and materials listed include Creative Commons materials from Wikipedia and pages from other online sources that are public domain or are included under the “fair use” designation for educational purposes. To use images in PDFs, click to select, right click, copy and paste into your document. For purchase of originals, higher resolution images and requests for one-time com - mercial publication rights, contact firstname.lastname@example.org. Enjoy!