Philip A. Luelsdorff

• Constraints on error variables in grammar
• Soviet contributions to the sociology of language
• A segmental phonology of black English
• Conceptions of complexity
• Determinacy analysis and orthographic knowledge
• Developmental Orthography
• Knowledge complexity and knowledge acquisition
• Orthography and Phonology
• Parameters of orthography
• Praguiana, 1945-1990
• Principles of orthography
• Reversals in complexity