Engineering index annual (1968)
Engineering index monthly (1984)
Engineering index bioengineering abstracts
Engineering index energy abstracts
Predicasts
Coal abstracts
Excerpta medica
MINPROC
International aerospace abstracts
GeoRef
Metals abstracts
World aluminum abstracts
Reference sources
Chemical abstracts
Energy research abstracts
Computer & control abstracts 1968-
Electrical & electronics abstracts 1968-
Physics abstracts. Science abstracts. Series A 1968-