Vonis mati bagi kanker / Colin Ryder Richardson; penerjemah, Sukotjo Danusukarto German romantic stories /edited by Frank G. Ryder ; introduction by Gordon Birrell Balancing acts in personal, social and health education / Judith Ryder and Lesley Campbell Balancing acts in personel, social, and health education / Judith Ryder and Lesley Campbell Modern English society / Judith Ryder and Harold Silver Perhitungan kekuatan bahan /oleh S. Timoshenko ; alih bahasa, D.H. GuloKekuatan bahan terapan /Alfred Jensen, Harry H. Chenoweth ; alih bahasa, Darwin Sebayang ; editor, Bambang PriambodoStories / edited by Frank G. Ryder ; foreword by Max FrischGerman romantic stories / edited by Frank G. Ryder ; introduction by Gordon BirellKekuatan bahan terapan / Alfred Jensen, Harry H. Chenoweth ; alih bahasa, Darwin Sebayang ; editor, Bambang Priambodo