- 
        
          
            
          
        
        Dannemann/Schulze, German Civil Code, Volume I
        - 
            
              
                
              
            
            Book 2 Law of Obligations
            - 
                
                  
                    
                  
                
                Division 8 Particular types of obligations
                - 
                    
                      
                        
                      
                    
                    Title 9 Contract to produce a work and similar contracts
                    - Subtitle 1 Contract to produce a work
- Subtitle 2 Architect contract and engineer contract
- Subtitle 3 Property development contract
- Subtitle 4 Package travel contract, retail and facilitation of linked travel services
 
 
- 
                    
                      
                        
                      
                    
                    Title 9 Contract to produce a work and similar contracts
                    
 
- 
                
                  
                    
                  
                
                Division 8 Particular types of obligations
                
 
- 
            
              
                
              
            
            Book 2 Law of Obligations