Carter Alexander, who was a professor of education and a library professor at Teachers College from 1921 to 1943, is considered to have been a pioneer in education librarianship and in the study of the reference transaction in general. He authored several key education reference works, including Educational Research: Suggestions and Sources of Data with Specific Reference to Administration (published in 1927, with revised editions in 1929 and 1931) and How to Locate Educational Information and Data: A Text and Reference Book (published in 1935, with a revised edition in 19...