Seven conference papers from the U.S.S.R., India, Poland, Czechoslovakia, and Yugoslavia consider the diagnosis of hearing loss. They are "Examination of Hearing of Children, Aged from 2 to 5, by Means of Playing Audiometry" by A. P. Kossacheva, "A Study of the Etiology and Pattern of Deafness in a School for the Deaf in Madras, South India" by Y. P. Kapur, "Observations on Early Discovery of Deafness" by A. Jasienska and B. Dwornicka, "Diagnosing of Deafness in Czechoslovakia" by F. Brohm, "Selective Examination Methods of Hearing in Infants" by L. Sobieszczanska-Radoszewska and D. Borkowska-Gaertig, "Some Characteristics of Waardenburg Syndrome in Defective-Hearing and Normal Children" by H. Siedlanowska-Brzosko, and "Results of Audiological Examinations of the Deaf in Belgrade" by M. Simonovic. (JD)