[For pictures, just click on them to find where they came from]
[1] https://www.cdc.gov/ncbddd/hearingloss/facts.html
[2] https://www.asha.org/public/hearing/audiogram/
[3] https://www.bierihearing.com/sound-field-testing
[4], [5], [6] https://www.cdc.gov/ncbddd/hearingloss/types.html
[7] https://www.starkey.com/hearing-aids/styles/behind-the-ear
[8] https://www.starkey.com/hearing-aids/styles/receiver-in-canal
[9] https://www.starkey.com/hearing-aids/styles/in-the-ear
[10] https://www.starkey.com/hearing-aids/styles/completely-in-canal
[11] https://www.asha.org/public/speech/development/01/
[12] https://www.asha.org/public/speech/development/01/
[13] https://www.asha.org/public/speech/development/23/
[14] https://www.asha.org/public/speech/development/34/
[15] https://www.asha.org/public/speech/development/45/
[16] https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1609&context=psychfacpub
[18] https://www.michigan.gov/mde/0,4615,7-140-6598_88186_88204---,00.html
[19] https://www.michigan.gov/documents/mde/SupplementaryAidsServices_707704_7.pdf
[20] https://www.hoagiesgifted.org/eric/e551.html
[21] https://my.clevelandclinic.org/health/treatments/16767-auditory-based-therapy
[22] https://www.cdc.gov/ncbddd/hearingloss/parentsguide/building/manual-english.html
[23] https://www.handsandvoices.org/comcon/articles/totalcom.htm
[24] https://www.asha.org/public/hearing/child-aural-rehabilitation/
[25] http://openpsyc.blogspot.com/2014/06/bottom-up-vs-top-down-processing.html
[26] https://www.asha.org/public/hearing/Hearing-Assistive-Technology/#fm
[27] https://childdevelopment.com.au/areas-of-concern/using-speech/talking-readiness-pre-language-skills/
[28] https://www.openaccessgovernment.org/helping-children-to-develop-language/75863/
[29] Introduction to Audiologic Rehabilitation, by Ronald L. Schow and Michael A. Nerbonne, Pearson, 2018, pp. 109–117. Seventh Edition.