共 90 条
[71]
ULMAN L, 1961, AM EC HIST, P366
[72]
*US BUR CENS, 1943, 1940 17TH CENS US P1, V3
[73]
*US BUR CENS, 1923, 1920 14TH CENS US, V4
[74]
*US BUR CENS, 1914, 1910 13TH CENS US, V4
[75]
*US BUR CENS, 1933, 1930 15TH CENS US, V5
[76]
*US BUR CENS, 1954, 1950 US CENS POP P3, V4
[77]
*US BUR CENS, 1955, 1950 US CENS POP P4, V4
[78]
*US BUR CENS, 1953, 1950 US CENS POP P1, V4
[79]
*US BUR CENS, 1967, 1960 US CENS POP
[80]
*US BUR CENS, 1912, 1909 CENS MAN P1