Relationship of socio-economic status to the child’s comprehension and production of morphemic inflectional patterns of standard English, 190 - 01 - 04 - LD1017 .C8133 1973 B55, Volume: Archives LD1017 .C8133 1973 B55; Volume: Carlson Library Level A Main Quarto Collection PE1199 .B55. Clarion University Archives. http://buoy1.klnpa.org/repositories/2/resources/308 Accessed April 25, 2025.