TY  - CHAP
A1  - Haines, M.R.
T1  - The white population of the United States, 1790-1920
Y1  - 2000
UR  - https://books.google.de/books?id=BPdgiysIVcgC
A3  - Haines, M.R.
A3  - Steckel, R.H.
T2  - A Population History of North America
CY  - New York
PB  - Cambridge University Press
SP  - 305
EP  - -370

ER  -