| 
     
    
            | 
           
              245: $a 
                 | 
            
             Our Knowledge of the External World
                 | 
         
        
            | 
           
                245: $b
                 | 
            
             Field for Scientific Method in Philosophy
                 | 
         
         
            | 
               100: $a | 
            
            
            
             
             
             
             
             | 
         
         
            | 
                082: $a | 
            
                121 RUS | 
         
   
       
        
            | 
                650: $a | 
            
             
                 
                 
              | 
         
       
        
            | 
                020: $a | 
            
                 | 
         
        
            | 
                440: $v | 
            
                 | 
         
        
        
            | 
                250: $b | 
            
                George Allen & Unwin Ltd | 
         
        
            | 
                250: $c | 
            
                1969 | 
         
        
            | 
                250: $a | 
            
                1st
             | 
         
         
            | 
                300: $a | 
            
                249
             | 
         
        
            | 
                020: $c | 
            
                Not Available
             | 
         
         
            | 
                041: $a | 
            
                English
             | 
         
        
            | 
                Available | 
            
                Yes, Accessions:[ 5514 ] | 
         
          
            | 
                246:  | 
            
                 | 
         
        
            | 
                246: # | 
            
                Philosophy;
Philosophy-Knowledge | 
         
    
     
                                             |