http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
MALTHUS, Thomas Robert: -- Das Bevölkerungsgesetz -- s.MALTHUS:An Essay on the principle of popu- -- lation as it affects the future improvement -- of society,with remarks on the speculations -- of Mr.Godwin,M.Condorcet,and other writers. -- Deutsch.