Income Data Services. IDS Supplement: Sexual Orientation Discrimination EMPLOYMENT LAW SUPPLEMENT - Supplement 10(Series 2) - London I.D.S., March 2004 - 30 cm., ii., 89p. Two issues a month. ISSN: 0308-9312 LC Class. No.: KD3040.A13 Dewey Class. No.: 344.30671 IDS