Industrial Instability of Child Workers. A Study of Employment-certificate Records in ConnecticutRobert Morse WoodburyInbunden444 kr
Infant Mortality; Results of a Field Study in Akron, OhioTheresa Sylvia Haley, Robert Morse WoodburyInbunden456 kr
Causal Factors in Infant Mortality; a Statistical Study Based on Investigations in Eight CitiesRobert Morse Woodbury, United States Children'S BureauInbunden492 kr
Causal Factors in Infant Mortality; a Statistical Study Based on Investigations in Eight CitiesRobert Morse Woodbury, United States Children'S BureauHäftad359 kr
Causal Factors in Infant Mortality; a Statistical Study Based on Investigations in Eight CitiesRobert Morse Woodbury, United States Children'S BureauInbunden492 kr
Infant Mortality; Results of a Field Study in Akron, OhioTheresa Sylvia Haley, Robert Morse WoodburyInbunden456 kr
Causal Factors in Infant Mortality; a Statistical Study Based on Investigations in Eight CitiesRobert Morse Woodbury, United States Children'S BureauHäftad359 kr
Industrial Instability of Child Workers. A Study of Employment-certificate Records in ConnecticutRobert Morse WoodburyInbunden444 kr
NyhetHjärnans akilleshälar : hur din hjärna lurar dig, och vad du kan göra åt detAnders HansenInbunden289 kr