- 29 CFR 1926 OSHA Construction Industry Regulations & Standards January 2020 Edition
- 29 CFR 1926 OSHA CONSTRUCTION INDUSTRY STANDARDS
- The CTTS CDL Study Manual (English Version)
- July 2018 29 CFR 1910 OSHA General Industry Regulations
- 29 CFR 1910 OSHA General Industry Regulations & Standards January 2022 Edition



















