In Missing Persons Week, police are seeking help in relation to two women missing from Parramatta since July 12, 1980.
Deborah Balken (pictured) and Jillian Jamieson were both 19 at the time.
They were both drinking at the Tollgate Hotel, in Church Street, Parramatta, about 7pm.
Both women were also expected home that evening but never showed.
Miss Balken was described as being of Caucasian appearance, of medium height, of slim build and with blonde, shoulder-length hair.
Miss Jamieson was described as being of Caucasian appearance, of medium height, of slim build, with brown shoulder-length hair and brown eyes.
Anyone with any information which could assist in finding the whereabouts of either of these women is urged to contact Parramatta detectives on 9633 0799 or 9688 8499 or Crime Stoppers on 1800 333 000.