Access options and export formats
  
      
  
  
    
    
    
   
  
  
    
      
  
    
    
  
The German National Library (DNB) offers metadata in a variety of export formats in UTF-8 decomposed character encoding.
You can choose between various access options:
DNB catalogue, Data Shop, ZDB catalogue, HTTP content negotiation, DNB SPARQL Service (BETA) (only available in German), SRU, OAI-PMH, WWW-/SFTP server
The following overview shows how you can obtain bibliographic data, holdings data, authority data and address data in the required format.
German National Library (DNB): 
bibliographic and holdings data
| Format | DNB catalogue Data Shop | HTTP content negotiation | DNB SPARQL Service (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| MARC 21 | x | x | ||||
| MARC21-xml | x | x | x | x | x | |
| RDF (RDF/XML) | x | x | x | x | x | |
| RDF (JSON-LD) | x | x | x | |||
| RDF (Turtle) | x | x | x | |||
| HDT | x | |||||
| N-Triples | x | x | ||||
| DNB Casual (oai_dc) | x | x | x | (upon request) | ||
| MODS-xml | x | x | x | |||
| CSV/TSV | x | x | (upon request) | |||
| HTML | x | |||||
| JSON (sparql-results) | x | |||||
| XML (sparql-results) | x | 
| Format | DNB catalogue Data Shop | HTTP content negotiation | DNB SPARQL Serivce (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| MARC21-xml (holdings) | x | |||||
| MARC21plus-xml (incl. bibliographic data) | (upon request) | x | (upon request) | |||
| MARC21plus-1-xml (incl. bibliographic data) | (upon request) | 
Integrated Authority File (GND): authority data
| Format | DNB catalogue Data Shop | HTTP content negotiation | DNB SPARQL Service (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| MARC 21 | x | x | ||||
| MARC21-xml | x | x | x | x | x | |
| RDF (RDF/XML) | x | x | x | x | x | |
| RDF (JSON-LD) | x | x | x | |||
| RDF (Turtle) | x | x | x | |||
| HDT | x | |||||
| N-Triples | x | x | ||||
| CSV/TSV | x | |||||
| HTML | x | |||||
| JSON (sparql-results) | x | |||||
| XML (sparql-results) | x | 
| Format | Entity Facts service (API) | HTTP content negotiation | DNB SPARQL Service (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| RDF (JSON-LD) | x | x | 
| Format | DNB catalogue Data Shop | HTTP content negotiation | DNB SPARQL Service (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| RDF (RDF/XML) | x | |||||
| RDF (JSON-LD) | x | |||||
| RDF (Turtle) | x | |||||
| N-Triples | x | 
German Union Catalogue of Serials (ZDB): 
bibliographic and holdings data 
| Format | ZDB catalogue | HTTP content negotiation | DNB SPARQL Service (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| MARC 21 | x | |||||
| MARC21-xml | x | x | x | x | ||
| MARC21plus-xml (incl. holdings) | x | (upon request) | ||||
| MARC21plus-1-xml (incl. holdings information for interlibrary lending) | x | x | (upon request) | |||
| RDF (RDF/XML) | x | x | x | x | x | |
| RDF (JSON-LD) | x | x | ||||
| RDF (Turtle) | x | x | ||||
| HDT | x | |||||
| N-Triples | x | |||||
| DNB Casual (oai_dc) | x | x | (upon request) | |||
| HTML | x | 
| Format | ZDB catalogue | HTTP content negotiation | DNB SPARQL Service (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| MARC 21 (holdings) | x | |||||
| MARC21-xml (holdings) | x | x | ||||
| MARC21plus-xml (incl. bibliographic data) | x | (upon request) | ||||
| MARC21plus-1-xml (incl. bibliographic data) | x | x | (upon request) | 
German ISIL-Directory
| Format | German ISIL-Agency | HTTP content negotiation | DNB SPARQL Service (BETA) | SRU | OAI-PMH | WWW-/SFTP server | 
|---|---|---|---|---|---|---|
| RDF (RDF/XML) | x | x | x | x | x | |
| RDF (JSON-LD) | x | x | x | |||
| RDF (Turtle) | x | x | x | |||
| HDT | x | |||||
| N-Triples | x | |||||
| PicaPlus-xml | x | x | x | (upon request) | ||
| HTML | x | 
Terms of use and provision
Detailed information on terms of use and provision is given here.
News
          Last changes:
          22.10.2025
          Short-URL:
          
            
  
    https://www.dnb.de/metadataaccess
  
  
    
  
          
          Contact:
          
    metadatendienste@dnb.de