Lock, H. F. Basic typography : A practical guide for the student typographer to type display and the principles of layout / H. F. Lock. - London : Sir Issac Pitman, 1940. - ix, 110 p. : ill. ; 18 cm. Includes index. 346 346 Subjects--Topical Terms: Typography. Dewey Class. No.: 655.2 / L789b