| 
   
[Updated: 2008-Aug-01] 
  
    
      
        
          | 600 | 
          Industry and commerce | 
         
        
          | 601 | 
          Industrial policy and planning | 
         
        
          | 602 | 
          History and conditions | 
         
        
          | 603 | 
          Reference books | 
         
        
          | 604 | 
          Essays and lectures | 
         
        
          | 605 | 
          Serial publications | 
         
        
          | 606 | 
          Organizations | 
         
        
          | 607 | 
          Study and teaching | 
         
        
          | 608 | 
          Collected works. Collections | 
         
        
          | 609 | 
          Weights and measures | 
         
       
     | 
    
      
        
          | 610 | 
          Agriculture | 
         
        
          | 611 | 
          Agricultural economics | 
         
        
          | 612 | 
          Agricultural history and conditions | 
         
        
          | 613 | 
          Basic sciences on agriculture | 
         
        
          | 614 |           Agricultural engineering | 
         
        
          | 615 | 
          Methods of cultivation. Crop science | 
         
        
          | 616 | 
           Edible crops | 
         
        
          | 617 | 
           Industrial crops | 
         
        
          | 618 | 
           Fiber crops | 
         
        
          | 619 | 
          Agricultural technology | 
         
       
     | 
   
  
    
      
        
          | 620 | 
          Horticulture | 
         
        
          | 621 | 
          Gardening economy and management | 
         
        
          | 622 | 
          Horticultural history and conditions | 
         
        
          | 623 | 
          Basic sciences on gardening | 
         
        
          | 624 | 
          Green houses and tools | 
         
        
          | 625 | 
          Fruit culture. Pomiculture | 
         
        
          | 626 | 
          Vegetable culture | 
         
        
          | 627 | 
          Floriculture | 
         
        
          | 628 | 
          Utilization of garden products | 
         
        
          | 629 | 
          Landscape gardening | 
         
       
     | 
    
      
        
          | 630 | 
          Sericulture. Silk industry | 
         
        
          | 631 | 
          Sericultural economy and management | 
         
        
          | 632 | 
          Sericultural history and conditions | 
         
        
          | 633 | 
          Natural history of silkworms | 
         
        
          | 634 | 
          Silkworm eggs | 
         
        
          | 635 | 
          Rearing of silkworms | 
         
        
          | 636 | 
          Mulberry culture | 
         
        
          | 637 | 
          Sericultural rooms and implements | 
         
        
          | 638 | 
          Cocoon | 
         
        
          | 639 | 
          Raw silk production | 
         
       
     | 
   
  
    
      
        
          | 640 | 
          Animal husbandry | 
         
        
          | 641 | 
          Animal economy and management | 
         
        
          | 642 | 
          History and conditions | 
         
        
          | 643 | 
          Stock breeding. Forage | 
         
        
          | 644 | 
          Cotes and implements | 
         
        
          | 645 | 
          Domestic animals | 
         
        
          | 646 | 
          Aviculture. Poultry | 
         
        
          | [647] | 
          Apiculture. Beekeeping  -->646.9 | 
         
        
          | 648 | 
          Animal industry | 
                 
          | 649 | 
          Veterinary medicine | 
         
       
     | 
    
      
        
          | 650 | 
          Forestry | 
         
        
          | 651 | 
          Forest economics | 
         
        
          | 652 | 
          History and conditions | 
         
        
          | 653 | 
          Forest ecology. Silviculture | 
         
        
          | 654 | 
          Forest protection | 
         
        
          | 655 | 
          Forest administration | 
         
        
          | 656 | 
          Forest engineering | 
         
        
          | 657 | 
          Forest utilization |          
        
          | 658 | 
           	Forest technology | 
         
        
          | 659 | 
          Hunting and shooting | 
         
       
     | 
   
  
    
      
        
          | 660 | 
          Fishing industry. Fisheries | 
         
        
          | 661 | 
          Fishing economics and management | 
         
        
          | 662 | 
          History and conditions | 
         
        
          | 663 | 
          Basic sciences on fishery | 
         
        
          | 664 | 
          Fishing | 
         
        
          | 665 | 
          Fishing boats and implements | 
         
        
          | 666 | 
          Aquaculture | 
         
        
          | 667 | 
          Fish technology | 
         
        
          | 668 | 
          Utilization of aquatic products | 
         
        
          | 669 | 
          Salt manufacture | 
         
       
     | 
    
      
        
          | 670 | 
          Commerce | 
         
        
          | 671 | 
          Commercial policy | 
         
        
          | 672 | 
          History and conditions | 
         
        
          | 673 | 
          Mercantile business | 
         
        
          | 674 | 
          Advertising. Propaganda. Public relations | 
         
        
          | 675 | 
          Marketing | 
         
        
          | 676 | 
          Exchanges | 
         
        
          | 677 | 
           | 
         
        
          | 678 | 
          Foreign trade | 
         
        
          | 679 | 
           | 
         
       
     | 
   
  
    
      
        
          | 680 | 
          Transportation services | 
         
        
          | 681 | 
          Traffic policy and management | 
         
        
          | 682 | 
          History and conditions | 
         
        
          | 683 | 
          Maritime transport. Shipping | 
         
        
          | 684 | 
          Inland water ways. Canal transportation | 
         
        
          | 685 | 
          Land transportation | 
         
        
          | 686 | 
          Railways | 
         
        
          | 687 | 
          Air transportation | 
         
        
          | 688 | 
          Warehouses | 
         
        
          | 689 | 
          Tourist industry | 
         
       
     | 
    
      
        
          | 690 | 
          Communication services | 
         
        
          | 691 | 
          Policy, administration and laws | 
         
        
          | 692 | 
          History and conditions | 
         
        
          | 693 | 
          Postal services | 
         
        
          | 694 | 
          Telecommunication | 
         
        
          | 695 | 
           | 
         
        
          | 696 | 
           | 
         
        
          | 697 | 
           | 
         
        
          | 698 | 
           | 
         
        
          | 699 | 
          Broadcasting | 
         
       
     | 
   
 
  
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