A Workbook
A hands-on approach to historical linguistics, working through 101 problems in five different categories
This workbook guides students through 12 problems on the establishment of genetic relationship among languages, 24 problems on sound change, 35 problems on phonological reconstruction, 10 problems on internal reconstruction, and 20 problems on subgrouping.
https://edinburghuniversitypress.com/book-101-problems-and-solutions-in-historical-linguistics.html