The ABTAPL Bulletin has the following volumes :
volume 1 : 1-40 (1974-1987)
volume 2 : 1-18 (1988-1993)
volume 3 : 1-9 (1994-1996)
volumes 4 to 26 (1997-2019) – each year a new volume
Indices to these exist as follows :
1 : 1-20 in 1981 by Eileen Dickson
1 : 21 to 3 : 9 in 1996 by Andrew J. Wilson
4 : 1 to 26 : 2 in 2019 by Richard Johnson – download here
Full content for the bulletin can be found and searched at TheologyOnTheWeb all except the latest issues.