Gumma Ibrahim Gulfan

Other contributions

• Advances in Nilo-Saharan Linguistics
  ISBN 978-3-89645-140-8
  Edited by: Doris L. Payne, Mechthild Reh. With contributions by: Václav Blažek, Roger M. Blench, Pascal Boyeldieu, Michael Bryant, Niels Christiansen, Regula Christiansen, Achim Diehl, Leoma Gilley, Gumma Ibrahim Gulfan, Jan Henrik Holst, Piet Huttenga, Muhammed Abbaker Ismail, Roland Kießling, Constance Kutsch Lojenga, Doris Löhr, Robert Guy McKee, Cynthia L. Miller, Moges Yigezu, Claude Rilly, Fedor Rozhanskiy, Anne Storch, Rainer Voßen, Doris Weiss, Petr Zima †, Joost Zwarts. Series edited by: M. Lionel Bender †, Franz Rottland †, Norbert Cyffer.
  Series NISA Nilo-Saharan – Studies in Language and Context Volume 22
• Nuba Mountain Language Studies
  ISBN 978-3-89645-427-0
  Edited by: Thilo C. Schadeberg, Roger M. Blench. With an introduction by: Thilo C. Schadeberg, Roger M. Blench. With contributions by: Ashraf Kamal Abdelhay, Farrell Ackerman, Thomas Kuku Alaki, Suzan Alamin, Abeer Bashir, Roger M. Blench, Jade Comfort, Ines Fiedler, Leoma Gilley, Gumma Ibrahim Gulfan, Harald Hammarström, Birgit Hellwig, Ali Ibrahim, Enrico Ille, Khaleel Ismail, Angelika Jakobi, Peter Jenks, Khalifa Jabreldar Khalifa, Stefano Manfredi, Leif O. Manger, John Moore, Abdel Rahim Hamid Mugaddam, Angelo Ngaloka Naser, Russell Norton, Nicolas Quint, Sharon Rose, Thilo C. Schadeberg, Gertrud Schneider-Blum, Mariam Sharif, Heleen Smits, John Vanderelst. Series edited by: Roger M. Blench.
  Series KWEF Kay Williamson Educational Foundation – African Languages Monographs Volume 6
• Perception of the Invisible
  ISBN 978-3-89645-603-8
  Edited by: Anne Storch. With contributions by: Keith Allan, Gratien G. Atindogbé, Heike Behrend, Roger M. Blench, Koen Bostoen, Gerrit J. Dimmendaal, Sylvie Donnat, Anne-Maria Fehn, Evelyn Fogwe Chibaka, Gumma Ibrahim Gulfan, Johannes Harnischfeger †, Marcus Jaeger, Ulrich Kleinewillinghöfer, Joseph Koni Muluwa, Anja Kootz, Françoise Labrique, Juan-Carlos Moreno García, Anne Storch, Yvonne Treis, Walter E.A. van Beek.
  Series SUGIA Sprache und Geschichte in Afrika, Volume 21