This is a lot of nine catalogs and two bonus books.

There is a Mod-Tap catalog and two "introduction to communications wiring" books from 1991.

There are three Misco networking and data communications catalogs from 1991, 1993, and 1994.

There are two South hills datacom catalogs from fall and winter 1990 and spring and summer 1991. 

There is an l-com catalog from 1990.

There is a local area network magazine from 1991 August.

There is Home Automation Laboratories catalog from spring/summer 1993.

The shipping weight is 6 lbs.