Elizabeth Closs Traugott
A history of English syntax
Linguistics for students of literature
The Oxford handbook of the history of English
Approaches to Grammaticalization
Approaches to Grammaticalization
Approaches to Grammaticalization
Constructionalization And Constructional Changes
Gradience, gradualness and grammaticalization
GRAMMATICALIZATION
On conditionals
Papers from the Fourth International Conference on Historical Linguistics, Stanford, March 26–30 1979
Regularity in Semantic Change