TY - GEN AU - AU - HUME, David TI - An Enquiry Concerning Human Understanding and Selections from a Treatise of Human Nature U1 - 128.4/HUM PY - 1938/// CY - Illinois PB - The Open Court Pub. Co. N1 - DOCTRINE OF CAUSALITY%SUBSTANC; HUMAN NATURE; SCEPTICAL SOLUTION OF DOUBT ER -