1945

 Teaching and Learning English as a

Foreign Language

Ann Arbor: The University of Michigan

Press

p. 7 on Oral Approach vs. Direct Method

1952

 Fries American English Series for the

Study of English as a Foreign

Language. Book One.

Boston: Heath

 1957

The Structure of English: An

Introduction to the Construction

of English Sentences

 London: Longmans, Green

1958 [with R. Lado and English

Language Institute staff]

 An Intensive Course in English.

English Pattern Practices:

Establishing the Patterns as Habits. 

(Revised edition).

Ann Arbor: The University of Michigan

Press.