9 mail and telephone prospect lists in the form of prerecorded magnetic tape, floppy disc and CD-ROM
16 cross-reference directories and mail and telephone prospect lists on labels, 3 x 5 cards and in manuscript format
35 leasing cross reference directories and mail and telephone prospect lists
First used in another form in 1958 First used in commerce in another form in 1958 First used in another form in 1958 First used in commerce in another form in 1958 "PUBLICATIONS"