Snider, Keith. 2014. Orthography and phonological depth.
Kutsch Lojenga, Constance. 2014. Basic principles for establishing word boundaries.
Kutsch Lojenga, Constance. 2014. Orthography and tone: A tone-system typology with implications for orthography development.
Snider, Keith. 2017. Tone analysis for field linguists. Dallas: SIL International.
Stirtz, Tim. 2018. Linguistic checks: The missing link in modern language development.
In SIL Electronic Working Papers
The following i-DELTA phonology course lessons, Lessons 19-30, provide guidance on making decisions for writing systems:
Lesson 19 Alphabet Symbol Choices
Lesson 22 Word and Phrase Rules
Lesson 23 Morphological Spelling