bls_1775-43_1973.pdf
bls_1775-50_1973.pdf
bls_1795-23_1974.pdf
bls_1795-24_1974.pdf
bls_1850-23_1975.pdf
bls_1850-32_1975.pdf
bls_1850-3_1974.pdf
bls_1850-6_1975.pdf
bls_1850-86_1976.pdf
bls_1900-03_1976.pdf
bls_1900-35_1976.pdf
bls_1950-33_1977.pdf
