Petrone began her career working as a teacher, and continued to teach future teachers at the Faculty of Education. As well as teaching in Canada, she also worked in Europe in the 1950s, and in Uganda.
Records include information about education and the history of education; material on teacher education and teachers' colleges including Lakehead Teachers' College. Some assignments and papers from Petrone's teaching at Lakehead's Faculty of Education: where these relate to named students, the files are restricted.