http://www.docbook.org/xml/4.1.2/ent/iso-amsa.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-amsb.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-amsc.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-amsn.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-amso.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-amsr.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-box.ent 2
http://www.docbook.org/xml/4.1.2/ent/iso-cyr1.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-cyr2.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-dia.ent 2
http://www.docbook.org/xml/4.1.2/ent/iso-grk1.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-grk2.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-grk3.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-grk4.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-lat1.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-lat2.ent  
http://www.docbook.org/xml/4.1.2/ent/iso-num.ent 2
http://www.docbook.org/xml/4.1.2/ent/iso-pub.ent 2
http://www.docbook.org/xml/4.1.2/ent/so-tech.ent 

