As the library of PGIAR is based on an exclusive collection of resources on Archeology it follows a specific system of classification of its own. The inventor of this system of classification was Professor Senake Bandaranayake. Therefore, the system is titled Senake Bandaranayake Classification (SBC).

A – GENERAL (Disciplines not related to Archeology)

• AA - General works
• AB - Religion
• AC - Philosophy & psychology
• AD - History and civilization
• AE - Art
• AF - Language and Literature
• AG - Mathematics, Statistics
• AH - Social sciences
• AI - Geography
• AJ - Natural Sciences
• AK - Applied Sciences
  
  

B – ARCHEOLOGY 
All works of Archeology i.e. Techniques of Archeology, Environmental Archeology, Historical Archeology, Numismatics, Inscriptions, Anthropo-Archeology, Heritage Management, Museology which does not associate with any particular zone or region or country come under this class. Subsequently, Visual Art, Architecture, Sculpture, Cultural Studies have been added to the class.

• BA - General works             
• BB - Archaeological Theory & History
• BC - Techniques
• BD - Conservation & presentation
• BE - Environmental archaeology
• BF - Palaeoanthropology, prehistory
• BG - Protohistory
• BH - Historical archaeology
• BI - Art, architecture, technology
• BJ - History and archaeology
• BK - Cultural studies
• BZ - Archaeology- specialized divisions
  
  

C – ZONES, REGIONS AND COUNTRIES

Archaeological or General works can be identified in relation to a particular zone or region or country. 

1000 AFRICA

• 1100    Central Africa                        
• 1200    East Africa         
• 1300    North Africa   
• 1302    Egypt                                
• 1400   Southern  Africa
• 1500   West Africa   

2000  THE AMERICAS  

• 2100  Caribbean      
• 2200  Central America 
• 2300  North America   
• 2400  South America   

3000  ASIA

• 3200  Asia Pacific region -
• 3300  Central and Northern Asia (including Soviet Union)
• 3400  East Asia     
  • 3401   - China and adjacent areas
  • 3402   - Japan
  • 3403   - Korea
  • 3404   - Mongolia
• 3500  Himalayan Asia  
• 3600  South Asia        
• 3601 - Bangladesh
• 3602 - Bhutan
• 3603 - India
• 3605 - Maldives
• 3606 - Nepal
• 3607 - Pakistan
• 3608 - Sri Lanka 
• 3700  South East Asia  
• 3800  West Asia  

4000  POLAR REGIONS     

5000  EUROPE             

• 5100    Benelux
• 5200    Britain and Eire  
• 5300    Central and Eastern Europe
• 5400    France and Monaco
• 5500    Greece Balkans and East Mediterranean
• 5600    Iberian Peninsular                    
• 5700    Italy  and Western  Mediterranean
• 5800    Nordic Countries                        

6000   OCEANIA  

• 6100   Australia
• 6200   New Zealand
• 6300    Papua New Guinea

7000  Other composite inter-regional groupings