Timeline for all types of items produced by
Random House, Inc.

Year	Items
1981	3
1982	6
1983	6
1984	15
1985	16
1986	2
1987	2
1989	3

53 items with a valid date were considered for this timeline (94.64% of the total)
3 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 3 items.