Orange book: sixth Plenary Assembly [of the CCITT] [English version] [print edition] : Geneva, 27 September - 8 October 1976 / ITU.

Index.
Volume I: Minutes and Reports of the Plenary Assembly; Resolutions and Opinions; Recommendations Series A, B, and C; List of Study Groups, Working Parties, and Questions..
Volume II.1: General Tariff Principles; Lease of Circuits for Private Service: Series D Recommendations and Questions (Study Group III).
Volume II.2: Telephone Operation, Quality of Service and Tariffs: Series E Recommendations and Questions (Study Group II).
Volume II.3: Telegraph Operation and Tariffs: Series F Recommendations and Questions (Study Group I).
Volume III-1: Line Transmission: Series G, H and J Recommendations and Questions (Study Groups XV, XVI, XVIII, CMBD).
Volume III-2: Line Transmission: Series G, H and J Recommendations and Questions (Study Groups XV, XVI, XVIII, CMBD).
Volume III-3: Line Transmission: Series G, H and J Recommendations and Questions (Study Groups XV, XVI, XVIII, CMBD).
Volume IV.1: Line Maintenance and Measurement: Series M and N Recommendations and Questions (Study Group IV).
Volume IV.2: Specifications of Measuring Equipment: Series O Recommendations and Questions (Study Group IV).
Volume V: Telephone Transmission Quality and Telephone Sets: Series P Recommendations and Questions (Study Group XII).
Volume VI.1: General Recommendations Relating to Telephone Switching and Signaling: Series Q Recommendations and Questions (Study Group XI).
Volume VI.2: Signalling Systems No. 6: Recommendations.
Volume VI.3: Signalling Systems R1 and R2: Recommendations.
Volume VI.4: Programming Languages for Stored-Programme Control Exchanges: Series Z Recommendations.
Volume VII: Telegraph Technique: Series R, S, T and U Recommendations and Questions (Study Groups VIII, IX, X, XIV).
Volume VIII.1: Data Transmission over the Telephone Network: Series V Recommendations and Questions (Study Group XVII).
Amendments to Series V Recommendations.
Volume VIII.2: Public Data Networks: Series X Recommendations and Questions (Study Group VII).
Volume IX: Protection: Series K and L Recommendations and Questions (Study Groups V, VI).
Terms and Definitions.
Provisional Recommendations X.3, X.25, X.28 and X.29 on Packet-Switched Data Transmission Services.
Recommendations provisionaly adopted: X.75 and X.121.