TY - GEN digital ID - 139576003 TI - Popular technology, or, Professions and trades AU - Hazen, Edward AU - Gale Cengage Learning PY - 1841 PB - New York Harper and Brothers DB - UniCat KW - Industrial arts KW - Occupations UR - https://www.unicat.be/uniCat?func=search&query=sysid:139576003 AB - ER -