Transactions of the Fifteenth International Congress on Hygiene and Demography, Washington, September 23-28, 1912 Published: 1913 Total Pages: 942 Get eBook
Transactions of the Fifteenth International Congress on Hygiene and Demography, Washington, September 23-28, 1912: Section IX: Demography Published: 1913 Total Pages: 412 Get eBook
Transactions on the Fifteenth International Congress on Hygiene and Demography Published: 1913 Total Pages: 716 Get eBook
Transactions of the Fifteenth International Congress on Hygiene and Demography, Washington, September 23-28, 1912: pt. I. Section III: Hygiene of infancy and childhood; School hygiene. pt. II. Section IV: Hygiene of occupations Published: 1913 Total Pages: 606 Get eBook
Transactions of the fifteenth International congress on hygiene and demography v. 3 Published: 1913 Total Pages: 1150 Get eBook
Transactions of the Fifteenth International Congress on Hygiene and Demography International Congress of Hygiene and Demography (15, 1912, Washington, DC) Published: 1913 Total Pages: 688 Get eBook
The Fifteenth International Congress on Hygiene and Demography Held by Washington, D.C., from September 16 to October 5, 1912 Holmes Beckwith Published: 1913 Total Pages: 696 Get eBook
Transactions of the Fifteenth International Congress on Hygiene and Demography, Washington, September 23-28, 1912 Published: 1913 Total Pages: 1118 Get eBook
