bls_1900-82_1979.pdf
bls_1950-12_1977.pdf
bls_1950-14_1977.pdf
bls_1850-25_1975.pdf
bls_1850-32_1975.pdf
bls_1850-43_1975.pdf
bls_1850-54_1975.pdf
bls_1850-57_1976.pdf
bls_1850-6_1975.pdf
bls_2025-39_1978.pdf
bls_2025-3_1978.pdf
bls_2025-5_1978.pdf