Wordnet polsko-angielski 
                         (an English economist who argued that increases in population would outgrow increases in the means of subsistence (1766-1834) ) 
Malthus, Thomas Malthus, Thomas Robert Malthus 
synonim: Malthus
 (an English economist who argued that increases in population would outgrow increases in the means of subsistence (1766-1834) ) 
Malthus, Thomas Malthus, Thomas Robert Malthus 
synonim: Malthus