1. 1.BirchJack W. Some Current Practices in Homebound Instruction in Large School Districts in Pennsylvania. Dept. of “Special Education, Pittsburgh, Pa., Feb. 25, 1949, p. 1–4.
2. 2.TowneCharles F. Summary of Questionnaire on Home Teaching. Rhode Island. Dept. of Public Schools, Providence, R.I. April 24, 1944, p. 1–4.
3. 3.PeckenpaughDonald H. Summary of a Survey of Home Tutoring Services of Large City Public School Systems. Child Welfare Division, Gary Public Schools, Indiana, 1950–1951, p. 1–5.
4. 4.DEPT. OF HEALTH, EDUCATION, AND WELFARE. Report of a Study of Homebound Physically Handicapped Individuals, With Recommendations, Pursuant to Public Law 565, 83rd Cong. U.S. Government Printing Office, 1955, p. 1–123.