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  • Manual Sourcing

    We strive to use freely available sources. Some manuals may be scans or photocopies of older originals. Sample previews are shown on the product page, please review them before purchase to ensure quality meets your needs.

  • Copyright

    This material is shared in accordance with the GNU General Public License (GPL), GNU Lesser General Public License (LGPL), or designated as Freeware, all of which allow free and open distribution. Additional information is available on our Copyright & Content Disclaimer Page

  • Refunds

    Due to the nature of digital products, all sales are final. We recommend reviewing the sample preview on the product page to ensure the manual meets your expectations before purchase. Refunds will not be issued for issues related to content quality already disclosed or shown in the preview.