References
- American Foundation for the Blind. 1972 . A Policy Statement on Nature Trails, Braille Trails. Foot Paths, Fragrance Gardens, Touch Museums for the Blind , New York : American Foundation for the Blind .
- Beechel , J. 1976 . Interpretation for Handicapped Persons , Seattle : College of Forest Resources .
- Bernardo , J. “Architecture for the Blind.” . The New Outlook , 64 ( no. 8 ) 262
- Goldish , L. 1971 . The Severely Visually Impaired Population as a Market for Sensory Aids and Services Pt. 1 , New York : American Foundation for the Blind .
- Garvey , J. “Touch and See Nature Trail.” . Science and Children , 6 ( no. 6 ) 22
- Landau , S. , ed. 1968 . Funk and Wagnalls Standard College Dictionary , New York : Readers Digest Books .
- Lowenfeld , B. 1947 . “Mental Hygiene of Blindness.” . In Psychological Diagnosis and Counseling of the Adult Blind , New York : American Foundation for the Blind .
- National Society for the Prevention of Blindness. 1966 . National Society for the Prevention of Blindness Fact Book , New York : NSPB .
- Risk , Paul. April 1978 . April , Personal communication
- Sharpe , G. 1976 . Interpreting the Environment , New York : John Wiley & Sons Inc. .
- Tilden , F. 1974 . Interpretating Our Heritage , Chapel Hill : University of North Carolina Press .
- Wagar , J. 1976 . Cassette Tapes for Interpretation , Portland : USDA Pacific Northwest Forest and Range Fxperiment Station, PNW-207 .
- Wisconsin Dept. of Natural Resources. Trail Specifications Handbook , Madison : Division of Conservation, Bureau of State Parks and Recreation .