Bull, G.L, Robin, B.R., & Sigmon, T.M. (1991). User interface: Virginia's Public Education Network. [Computer Software]. Richmond, Va: Virginia Department of Education.
Bull, G.L, & Robin, B.R. (1991). On-line reference guide: Virginia's Public Education Network. [Computer Software]. Richmond, Va: Virginia Department of Education.
Bull, G.L, & Robin, B.R. (1991). Context-sensitive help system: Virginia's Public Education Network. [Computer Software]. Richmond, Va: Virginia Department of Education.
Bull, G. L., & Cochran, P. S. (1986). Logo touch tools for the Powerpad [Computer program]. Atlanta, GA: Dunamis, Inc.
Bull, G. L., Sigmon, T., & Harris, J. (1985). Teacher-LINK: A Regional K-12 Internet Network [Computer Network]. Charlottesville, VA: University of Virginia.
Bull, G. L., & Cochran, P. S. (1985). Logo tools for communication disorders [Computer program]. Charlottesville: University of Virginia.
Bull, G.L., McDonald, W., and Edgerton, M., assignors to the University of Virginia. Apparatus for Non-Invasive Measurement and Display of Nasalization in Human Speech. U.S. Patent Office, Patent 4,335,276. June 15, 1982.
Yoder, S., Bull, G., & Harris, J. (1992) LinkWay for Educators. Eugene, Oregon: International Society for Technology in Education.
Bull, G., & Harris, J. (1991). HyperCard for Educators. Eugene, OR: International Society for Technology in Education.
Tipps, S., & Bull, G. L. (1987). Beginning with Logo . Englewood Cliffs, NJ: Prentice-Hall.
Bull, G. L., Tipps, S., & Riordon, T. (1985). Nudges: Apple Logo projects . New York: Holt, Rinehart, and Winston.
Tipps, S., Riordon, T., & Bull, G. L. (1985). Nudges: IBM Logo projects . New York: Holt, Rinehart, and Winston.
Bennet, C., Bountress, N., & Bull, G. L. (Eds.). (1982). Contemporary readings in articulation disorders. Dubuque, IA: Kendall-Hunt.
Cochran, P.S. & Bull, G.L. (1993). Computers and individuals with speech and language disorders. In J.D. Lindsey (Ed.), Computers and Exceptional Individuals (pp. 143-158). Austin, Tx: Pro-Ed.
Bull, G.L., Harris, C.M., & Cothern, H. (1992) Considerations underlying the architecture of a state public school telecomputing network. In R.F. Tinker & P.M. Kapisovsky (Eds.), Prospects for Educational Telecomputing: Selected Readings (pp. 121-134), Cambridge, MA: Technical Education Research Centers.
Bull, G.L. Harris, J., & Drucker, D. (1992). Building an electronic culture: The Academical Village at Virginia. in M.D. Waggoner (Ed.), Empowering Networks: Computer Conferencing in Education (pp. 35-54). Englewood Cliffs, NJ: Educational Technology Publications.
Bull, G. L., & Cochran, P.S. (1992) Using media in teaching. In J.A. Rassi and M.D. McElroy. (Eds.), The Education of Audiologists and Speech-Language Pathologists (pp. 337-362). Timonium, MD: York Press.
Cochran, P.S. & Bull, G.L. (1992) Computer-assisted learning and instruction. In J.A. Rassi and M.D. McElroy. (Eds.), The Education of Audiologists and Speech-Language Pathologists (pp. 337-362). Timonium, MD: York Press.
Bull, G.L., (1989). Microworlds. In D. Harper (Ed.), Logo: Theory and practice (pp. 191-217). Pacific Grove, CA: Brooks/Cole.
Bull, G.L. & Cochran, P. (1989). Listful Thinking. In D. Harper (Ed.), Logo: Theory and practice (pp. 219-277). Pacific Grove, CA: Brooks/Cole.
Bull, G.L., Lough, T., & Cochran, P. (1987). Logo and exceptional individuals. In J. D. Lindsey (Ed.), Computers and exceptional individuals (pp. 169-187). Columbus, OH: Charles Merrill.
Bull, G. L., & Rushakoff, G. (1987). Computers and speech and language disordered individuals. In J. D. Lindsey (Ed.), Computers and exceptional individuals (pp. 83-104). Columbus, OH: Charles Merrill.
Windows on Logo, in Logo Exchange
Mining the Internet, in Learning and Leading with Technology
Bull, G., Sigmon, T., Aulino, J., & Morgan, T. (1996) Establishing a peer client-server Internet architecture for Virginia's schools. Computers in the Schools, 12 (1), 101-114.
Robin, B., Bull, G., Bull, G., & Willis, J. (1995). The Teacher Education Internet Server: An evolving resource for educators. The Journal of Information Technology and Teacher Education, 4 (2), 253-259.
Bull, G., R. Geyer, D. Arkin, and C. Appert. (1995) Current technologies in K-12 education. IEEE Journal, 28 (3), 84-85.
Bull, G.L., Sigmon, T.M., Cothern, H.L., & Stout, C. (1994) Establishing Statewide K-12 telecomputing networks. Journal of Machine Mediated Learning. 4 (2), 229-249.
Robin, B., Bull, G., Sigmon, T., & Mitchell, J. (1993, Autumn/Winter). Internet teacher education server. ED-Tech Review, 65-66.
Bull, G.L., Cothern, H.L., & Stout, C. (1993). Models for a national public school computing network. Journal of Technology and Teacher Education. 1 (1). 43-51.
Bull, G.L. & Cochran P.S. (1992) Hypermedia and traditional clinical materials: a convergence of media. Journal for Computer Users in Speech and Hearing. 8 (2). 68-74.
Bull, G. L., & Cochran, P.S. (1991). Learner-based tools. The Computing Teacher, 18 (7), 50-53.
Bull, G.L., Hill, I., Guyre, K., & Sigmon, T. (1991). Building the electronic academical village: Virginia's Public Education Network (PEN). Educational Technology, 31 (4), 30-36.
Cochran, P., & Bull, G.L. (1991). Integrating word processing into language intervention. Topics in Language Disorders, 11 (2), 31-48.
Cochran, P., & Bull, G.L. (1991). Use of BITNET in communication disorders training programs. ASHA Magazine, 33 (1), 55-58.
Bull, G.L., Sigmon, T., and Shidisky, C. (1991). Specifications for computer networks for support of cooperative ventures between universities and public schools. Computers in the Schools, 8 (1-3), 183-186.
Bull, G.L., Harris, J., Lloyd, J., & Short, J. (1989). The electronic academical village. Journal of Teacher Education. 40 (4), 27-31.
Bull, G.L. (1989). Computer applications in speech and hearing: perspectives for the 1990's. Journal of Computer Users in Speech and Hearing. 5 (2).
Bull, G. L., Cochran, P. S., & Snell, M. E. (1988). Beyond CAI: Computers, language, and persons with mental retardation. Topics in Language Disorders, 8(4), 55-76.
Cochran, P. S., & Bull, G. L. (1988). Electronic Conferencing. Journal of Computer Users in Speech and Hearing, 4(1), 6-13.
Rushakoff, G., & Bull, G. L. (1987). Microcomputers in communication disorders. Computers in the Schools, 3(1), 141-157.
Bull, G.L., Cochran, P., Lang, J. K., Pierce, B. R., Seaton, W., Smaldino, J. J., Mahaffey, R. B., & Chial, M. (1985). Technology infusion: A resource guide. Journal for Computer Users in Speech and Hearing, 1(2), 96-116.
Bull, G. L., & Cochran, P. S. (1985). Creating tools for teachers and clinicians. Journal of Computer Users in Speech and Hearing, 1(1), 45-49.
Tipps, S., & Bull, G. L. (1985). Planning for teacher development with Logo. Computers in the Schools, 2(2), 273-281.
Bull, G. L., & Tipps, S. (1984). Problem spaces in a project-oriented Logo environment. The Computing Teacher, 11(5), 54-57.
Zyski, B., Bull, G. L., McDonald, W., & Johns, M. (1984). Perturbation analysis of normal and pathologic larynges. Folia Phoniatrica, 36(2), 190-198.
Bull, G. L. (1983). Special training for special technology: A curriculum for use of microcomputer-based tools in speech-language pathology. The Computing Teacher, 10(8), 52-56.
Bull, G. L. (1982). Microworlds: Design of a language. The Computing Teacher, 10(4), 62-63.