| A comparative study of a flat frequency response pattern and high-tone emphasis patterns in a commercial hearing aid by Boyd Verne Sheets - 1948 - 207 pages |
| A comparative study of bone-conduction oscillator placement at the mastoid and midline of the forehead by Joan Carol Nassberg - 1962 - 132 pages |
| A hearing aid receiver involving the implantation of a magnetic-coupled bone-conduction armature in the mastoid process by John Kenneth Duffy - 1949 - 210 pages |
| A practical approach to the selection of hearing aids by Raymond Carhart - 1946 - 11 pages |
| American national standard method of measurement of performance characteristics of hearing aids under simulated in-situ working conditions by Acoustical Society of America. Standards Secretariat, American National Standards Institute - 1985 - 14 pages |
| American national standard specification for a manikin for simulated in-situ airborne acoustic measurements by Acoustical Society of America. Standards Secretariat, American National Standards Institute - 1985 - 22 pages |
| American National Standard specification of hearing aid characteristics by Acoustical Society of America. Standards Secretariat - 1982 - 14 pages |
| Design, fabrication and testing of silicon, molybdenum and tungsteon [i.e. tungsten] microelectrode arrays for biostimulation by H Dean Mercer - 1976 - 143 pages |
| Directions for research to improve hearing aids and services for the hearing impaired by National Research Council (U.S.). Committee on Hearing, Bioacoustics, and Biomechanics - 1972 - 72 pages |
| Evaluation of hearing aids (relevant to Service control no.AN-10) [NDRC Aural rehabilitation project (17.3-19) by Harvard University. Electro-Acoustic Laboratory, Harvard University. Psycho-Acoustic Laboratory, United States. Office of Scientific Research and Development. National Defense Research committee - 1945 - 142 pages |
| Handbook of Hearing Aid Measurement - 1979 |
| Handbook of hearing aid measurement by United States. Veterans Administration - 1976 - 409 pages |
| Handbook of hearing aid measurement, 1983 by Center for Mechanical Engineering and Process Technology, Catholic University of America. Biocommunications Laboratory, VA Medical Center (Washington, D.C.). Audiology and Speech/Language Pathology Service - 1983 - 361 pages |
| Hearing aid industry staff report by United States. Federal Trade Commission. Bureau of Consumer Protection, United States. Federal Trade Commission - 1978 - 458 pages |
| Hearing aid industry staff report by United States. Federal Trade Commission. Bureau of Consumer Protection, United States. Federal Trade Commission - 1978 - 458 pages |
| Hearing aid industry staff report by United States. Federal Trade Commission. Bureau of Consumer Protection, United States. Federal Trade Commission - 1978 |
| Hearing aid industry staff report by United States. Federal Trade Commission. Bureau of Consumer Protection, United States. Federal Trade Commission - 1978 - 458 pages |
| Hearing aids by United States. Veterans Health Services and Research Administration - 1991 - 6 pages |
| Hearing aids by United States. Dept. of Veterans Affairs. Office of Acquisition and Materiel Management - 1989 - 6 pages |
| Hearing aids by Frederick William Kranz - 1952 - 48 pages |
| Hearing aids - 1941 - 49 pages |
| Hearing tests and hearing instruments by Leland A. Watson, Thomas Tolan - 1949 - 597 pages |
| Hearing tests and hearing instruments by Leland A. Watson, Thomas Tolan - 1949 - 597 pages |
| Hearing tests and hearing instruments by Leland A. Watson, Thomas Tolan - 1949 - 597 pages |
| Nonlinear transfer functions for correcting abnormal auditory evoked responses in the hearing imparied by Gregory S. Furno - 1983 - 184 pages |
| Prediction of the efficiency of hearing aids from the audiograms by LeRoy Darien Hedgecock - 1949 - 450 pages |
| Problems of the hearing aid industry by United States. Congress. Senate. Select Committee on Small Business. Subcommittee on Government Regulation - 1975 - 378 pages |
| Selected research, development, and organizational needs of the hearing impaired by National Academy of Engineering. Committee on the Interplay of Engineering with Biology and Medicine. Subcommittee on Sensory Aids - 1973 - 26 pages |
| Selection of hearing aids by Edith L. R. Corliss - 1951 - 17 pages |
| Stammering: its correction through the re-education of the speech function by Ronald Muirden - 1968 - 169 pages |
| The acoustic functions of the length and diameter of the canal of hearing aid couplers by Mary Kathleen Sands - 1950 - 118 pages |
| The Atypical stutterer by Kenneth O. St. Louis - 1986 - 228 pages |
| The hearing aid by Kenneth Walter Berger - 1984 - 299 pages |
| The hearing aid by Kenneth Walter Berger - 1974 - 258 pages |
| The Problem of stuttering by Robert W. Rieber, Emil Froeschels - 1977 - 211 pages |
| The selection of hearing aids by Hallowell Davis - 1946 - 62 pages |
| Therapy for stutterers by C. Woodruff Starkweather - 1974 - 117 pages |
| You know I can't hear you when the cash register's running by Richard Conlin, Mark S. Goldstein, Public Interest Research Group in Michigan - 1973 - 59 pages |