共 19 条
[11]
NOTESTEIN FW, 1938, MILBANK MEMORIAL FUN, V16
[12]
NOTESTEIN FW, 1936, ANN AM ACAD POLITICA, V188
[13]
OGBURN WF, 1933, RECENT SOCIAL TRENDS, V1, P686
[14]
PAINTER MS, 1945, FEDERAL RESERVE B, V31, P873
[15]
*US BUR CENS, 1947, POP DIFF FERT 1910 1
[16]
*US BUR CENS, 1945, POP DIFF FERT 1910 1
[17]
WHELPTON PK, 1943, MILBANK MEMORIAL FUN, V21
[18]
WHELPTON PK, 1936, ANN AM ACAD POLIT SS, V188, P48
[19]
WHELPTON PK, 1947, VITAL STAT SPECIAL R, V23