Birgit Valla

By Birgit Valla, David S. Prescott

Edited By Peter W Turnbull, Jean-Paul Valla

By Sergio Alberto Gonzalez, Santiago Andres Verne, Maria Ines Valla

By Cynthia McClintock, Fabian Vallas

By Birgit Gurr

Edited By Joy Damousi, Birgit Lang, Katie Sutton

By Louise Kempton, Maria Conceição Rego, Lucir Reinaldo Alves, Paul Vallance, Maurício Aguiar Serra, Mark Tewdwr-Jones

Edited By Jack Tomlin, Birgit Völlm

Edited By Evgueni Vinogradov, Birgit Leick, Djamchid Assadi

Edited By Birgit Däwes, Alexandra Hauke

Edited By Katherine Seaton, Birgit Loch, Elizabeth Lugosi

Edited By Birgit Leick, Susanne Gretzinger, Teemu Makkonen