Vol. 1A: A-Ins. - XII, 1370 p. - ISBN 3-598-24514-9
Vol. 1B: Int-Z. - VII, 1551 p. - ISBN 3-598-24515-7
Vol. 2: Geographic volume, International Organization Participation : country directory of secretariats and membership. - XII, 1716 p. - ISBN 3-598-24516-5
Vol. 3: Subject volume global action networks : classified directory and index. - XIV, 1832 p. - ISBN 3-598-24517-3
Vol. 4: Bibliographic volume international organization bibliography and resources. - XI, 628 p. - ISBN 3-598-24518-1
Vol. 5: Guide to global and civil society networks. - [12, 533] p. - ISBN 3-598-24519-X