Langford, Michael J. 1933- Advanced photography : a grammar of techniques / Michael J. Langford - London : Focal, 1969 - 435 p. : ill. (some col.), facsims ; 25 cm. - The Focal library . Includes index ISBN: 024050899 : PND 25.00 Subjects--Topical Terms: Photography Dewey Class. No.: 770