TY - BOOK ID - 133421807 TI - General instructions for rearing silkworms PY - 1887 PB - Sacramento State office, P. L. Shoaff, supt. state printing DB - UniCat KW - Silkworms UR - https://www.unicat.be/uniCat?func=search&query=sysid:133421807 AB - ER -