73833420
Oct 23, 1989
Apr 2, 1991
EDUCATIONAL PRERECORDED AUDIO AND VIDEO TAPES, FILMS TRIPS AND COMPUTER PROGRAMS
Electrical and Scientific ApparatusBOOKS, ENCYCLOPEDIAS, JOURNALS, PAMPHLETS, LOOSE-LEAF VOLUMES, AND TEXTBOOKS COVERING A WIDE VARIETY OF SUBJECT MATTER
Paper Goods and Printed Matter