Covers: Open Library
- Structure in architectureMario George Salvadori, Robert L. Heller et al.
- Essential ManagersRobert Heller
- Business MastermindsRobert Heller
- Managing changeHeller, Robert, Robert Heller et al.
- Toma de DecisionesRobert Heller
- The Decision-makersRobert Heller
- The Fate of IBMRobert Heller
- Warren Buffett (Business Masterminds)Robert Heller
- Roads to Success in Business (Business Masterminds)Robert Heller
- The Super ChiefsRobert Heller
- Bill GatesRobert Heller
- Quality, MakersRobert Heller
- Stephen Covey (Business Masterminds)Robert Heller
- Como Tener Exito En Las VentasRobert Heller
- Coaching SuccessfullyRobert Heller, Johnson, Roy
- Andrew Grove (Business Masterminds)Robert Heller
- The seven summits of successRobert Heller, Rebecca Stephens
- Achieving Excellence (Essential Managers)Robert Heller
- Estructuras para arquitectos / Structures in ArchitectureMario Salvadori, Silvia Cristina Milicay et al.
- Creating a Successful CV (Essential Managers)Robert Heller
