Some CANTUS indices have been published in book form:
Charles Downey. An Utrecht Antiphoner: Utrecht, Bibliotheek der Rijksuniversiteit 406 (3.J.7). Printouts from an Index in Machine-Readable Form: A CANTUS Index. Musicological Studies, no. LV/6. Ottawa: The Institute of Mediaeval Music, 1997.
Barbara Haggh, Keith Glaeske, Charles Downey, and Lila Collamore. Two Cambrai Antiphoners: Cambrai, Médiathèque Municipal, 38 and Impr. XVI C 4. Printouts from Two Indices in Machine-Readable Form: A CANTUS Index. With an Introduction by Barbara Haggh. Musicological Studies, no. LV/4. Ottawa: The Institute of Mediaeval Music, 1995. (See a review of this volume.)
Martin Czernin. A Monastic Breviary of Austrian Provenance: Linz, Bundesstaatliche Studienbibliothek 290 (183). Printouts from an Index in Machine-Readable Form: A CANTUS Index. Musicological Studies, no. LV/3. Ottawa: The Institute of Mediaeval Music, 1995. (See a review of this volume.)
Keith Glaeske, Lila Collamore, Keith Falconer, and Richard Rice. Piacenza, Biblioteca Capitolare 65. Printouts from an Index in Machine-Readable Form: A CANTUS Index. Musicological Studies, no. LV/2. With an Introduction by Paul Merkley. Ottawa: The Institute of Mediaeval Music, 1993. (See reviews of this volume.)
Ronald T. Olexy, Joseph Metzinger, Keith Falconer, Lila Collamore, and Richard Rice. An Aquitanian Antiphoner: Toledo, Biblioteca capitular, 44.2. Printouts from an Index in Machine- Readable Form: A CANTUS Index. With an Introduction by Ruth Steiner. Musicological Studies, no. LV/1. Ottawa: The Institute of Mediaeval Music, 1992. (See reviews of this volume.)
Lila Collamore and Joseph P. Metzinger. Frere's Index to the Antiphons of the Sarum Antiphoner. With an Introduction by Ruth Steiner. London: Plainsong and Mediaeval Music Society, 1990. (See a review of this volume.)
Lila Collamore and Joseph P. Metzinger. The Bamberg Antiphoner Staatsbibliothek, lit. 25. With an Introduction by Ruth Steiner. Washington, D.C.: Catholic University of America, 1990.
Each book includes an introduction that describes the manuscript and certain features of the chants it contains. Additional volumes in preparation include indices of Paris, Bibliothèque nationale, lat. 15181 and 15182 (introduction by Rebecca A. Baltzer). The publisher of the series is The Institute of Mediaeval Music, 1270 Lampman Crescent, Ottawa, Ontario, Canada K2C 1P8; the volume containing the Sarum antiphons was published by the Plainsong and Mediaeval Music Society (London) and the Bamberg index is available from the project director.
Some CANTUS indices may be utilized in conjunction with facsimile reproductions of the corresponding manuscripts:
National Library of Wales MS. 20541 E: The Penpont Antiphonal. With an Introduction by Owain Tudor Edwards. Publications of Mediaeval Musical Manuscripts, 22 (Facsimile Reproduction of the Manuscript). Ottawa: The Institute of Mediaeval Music, 1997.
Utrecht, Bibliotheek der Rijksuniversiteit, MS 406 (3.J.7). With an Introduction by Ike de Loos. Index by Charles Downey. Ed. Ruth Steiner. Publications of Mediaeval Musical Manuscripts, 21 (Facsimile Reproduction of the Manuscript). Ottawa: The Institute of Mediaeval Music, 1997.
Antiphonarium: Karlsruhe, Badische Landesbibliothek, Aug. perg. 60, Farbmikrofiche-Edition. With an Introduction by Hartmut Möller. Codices illuminati medii aevi, 37. Munich: Helga Lengenfelder, 1995.
Antiphonaire monastique, XIIIe siècle: Codex F. 160 de la Bibliothèque de la Cathédrale de Worcester. Paléographie musicale, ed. Dom André Mocquereau, 12. Solesmes: Abbaye Saint-Pierre, 1922; reprint, Bern: Herbert Lang, 1971.
Marie-Noël Colette. Review of Two Cambrai Antiphoners: Cambrai, Médiathèque Municipal, 38 and Impr. XVI C 4: Printouts from Two Indices in Machine-Readable Form, by Barbara Haggh et al. In Scriptorium 51 (1997): 101.
Markus Krafczinski. Review of A Monastic Breviary of Austrian Provenance: Linz, Bundesstaatliche Studienbibliothek 290 (183): Printouts from an Index in Machine-Readable Form, by Martin Czernin. In Beiträge zur Gregorianik 22 (1996): 137-39.
Andrew Hughes. Review of Piacenza, Biblioteca Capitolare, 65: Printouts from an Index in Machine-Readable Form, by Keith Glaeske et al. In Speculum 70 (1995): 372-75.
Michel Huglo. Review of Piacenza, Biblioteca Capitolare, 65: Printouts from an Index in Machine-Readable Form, by Keith Glaeske et al. In Scriptorium 69, no. 2 (1994): 154.
Andreas Haug. Review of An Aquitanian Antiphoner: Toledo, Biblioteca capitular, 44.2: Printouts from an Index in Machine-Readable Form, by Ronald T. Olexy et al. In Die Musikforschung 47 (1994): 312.
Sarah Fuller. Review of An Aquitanian Antiphoner: Toledo, Biblioteca capitular, 44.2: Printouts from an Index in Machine-Readable Form, by Ronald T. Olexy et al. In Speculum 69 (1994): 862-63.
Carmen Rodriguez Suso. Review of An Aquitanian Antiphoner: Toledo, Biblioteca capitular, 44.2: Printouts from an Index in Machine-Readable Form, by Ronald T. Olexy et al. In Revue de musicologie 79 (1993): 380-81.
Michel Huglo. Review of An Aquitanian Antiphoner: Toledo, Biblioteca capitular, 44.2: Printouts from an Index in Machine-Readable Form, by Ronald T. Olexy et al. In Scriptorium 68, no. 1 (1993): 5.
Paul Fugler. Review of Frere's Index to the Antiphons of the Sarum Antiphonr: An Expanded Version, by Lila Collamore and Joseph P. Metzinger. In Plainsong and Medieval Music 1 (1992): 104-106.