TY - BOOK ED - Federal writers' project. TI - Lay my burden down: a folk history of slavery PY - 1969/// CY - Chicago, Ill. PB - University of Chicago Press KW - Slavery in the U.S KW - Condition of slaves KW - Local KW - Negroes KW - Biog.700::Botkin, Benjamin Albert, 1901- ed ER -