title: [F. Engelson on the state of the working class and modern times (on the 150th anniversary of the birth of F. Engels)].
mesh_terms: D005197:Famous Persons; D005858:Germany; D049672:History, 19th Century; D011634:Public Health / Q000266:history; D012950:Socialism / Q000266:history*; D014586:USSR
vernacular_title: F. Engel's o polozhenii rabochego klassa i sovremennost' (k 150-letiiu so dnia rozhdeniia F. Engel'sa)