David N. Harpp Organic Chemistry Problems. Ed 2 - 2nd Edition. - California W A Benjamin 1972 - 375p David N. Harpp; John D. Roberts; Marjorie C. Caserio & T. H. Chan: Organic Chemistry Problems. Ed 2. (2nd Edition.) California. W A Benjamin, 1972.--(547HAR) ENGLISH Dewey Class. No.: 547 / HAR