Studies of family living in the United States and other countries
Williams, F.M.
Studies of family living in the United States and other countries An analysis of material and method - Washington 1935 - 1-617 p. - Analysis United States Depatment of Agriculture. Miscellaneous Publication No. 223 .
Studies of family living in the United States and other countries An analysis of material and method - Washington 1935 - 1-617 p. - Analysis United States Depatment of Agriculture. Miscellaneous Publication No. 223 .