[Role of N.I. Teziakov in investigation of working conditions and life of agricultural workers; 30th anniversary of his death].
D000383:Agriculture; D000846:Anniversaries and Special Events; D003643:Death; D049672:History, 19th Century; D049673:History, 20th Century; D019369:Life; D012423:Rural Health; D012424:Rural Population
BIOGRAPHIES; RURAL CONDITIONS
Deiatel'nost' N.I. Teziakova v oblasti izucheniia truda i byta sel'skokhoziaistvennykh rabochikh; k 30-letiiu so dnia smerti.