The US Government Printing Office
Access 
Free access and documents retrieval are the public mission of this website. The only sections which need a membership affiliation are those dedicated to GPO contractors
Fee Policy 
Totally free access to Government's documents for all users is the basic public mission of the GPO website
Free Retrieved Material
Each section is freely accessible. Data and textual files are viewable and completely downloadable
Linking Richness
The internal links system is well developed and implemented; even links pointing to external databases are framed within site architecture. No external link to other institutions or archives is listed as such, except to advertise paper publications by the GPO