- E-bookMastering AutoCAD 2021 and AutoCAD LT 2021Brian C. Benton
- E-bookMastering AutoCAD for MacGeorge Omura
- E-bookMastering AutoCAD 2019 and AutoCAD LT 2019George Omura
- E-bookMastering AutoCAD 2015 and AutoCAD LT 2015George Omura
- E-bookMasteringAutoCAD2005 and AutoCAD LT2005George Omura
- E-bookMastering AutoCAD 2012 and AutoCAD LT 2012George Omura
- E-bookMastering AutoCAD 2008 and AutoCAD LT 2008George Omura
- E-bookJust Enough AutoCAD 2006George Omura
- E-bookMastering AutoCAD 2014 and AutoCAD LT 2014George Omura