BerlaE. P., ButterfieldL. H., and MurrM. J.Tactile reading of political maps by blind students: A Videomatic Behavioral analysis. In NolanC. Y. (Ed.), Facilitating the education of the visually handicapped through research in communications: Final Report (Part Three). Louisville, Ky.: American Printing House for the Blind, 1976.
2.
BerlaE. P., and MurrM. J.Searching tactual space.Education of the Visually Handicapped, 1974, 6, 49–58.
3.
SchiffW.Raised line drawing research project: Final report.New York Recording for the Blind, 1966.
4.
SquirrelR. B., and HorsfallR. B.Tactile edition: Atlas of British Columbia.Vancouver: Charles Crane Memorial Library, University of British Columbia, in press.