http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a guide to bibliographic tools, incorporating Government organization manuals : a bibliography
The first work is the 4th edition of a work by J. B. Childs published in 1927 and 1930 under title: An account of government document bibliography in the United States and elsewhere; 3rd edition, by J. B. Childs, published in 1942 under title: Government document bibliography in the United States and elsewhere.
Government document bibliography in the United States and elsewhere